1:17:35 Mixed Doubles tournament 1:49:00 Sets distribution 2:11:10 No of intersection points of lines 2:22:00 Couple arrangement 2:50:00 Derangement 3:49:35 Distribution problem
Notes : 36:27:00 1 particulr lettr must there 43:06:00 no two consecutive ques have same option 1:20:04 mixed double tournament 1:31:00 ***Common mistake *** 👉ki atleast 3-3 to sbke paas hone chahie 👉👉to pehle sbko 3-3 dedo fir baki bche hue me se dedo🙅❌❌❌❌ Becz yha bde sare repeated casr b include hojaenge 1:32:53 ques on above concept⬆️ 1:59:55 Good ques✴️Selectiom of r obj. From n similar obj. 2:11:22 No. Of 🔼 formed by taking the point of intersection of lines as vertices Inters. Points : nC2=m 🔼= mc2 - collinera points se bnne wale🔼 2:19:25 No. Of square formed with m vertical & n horizontal lines (m-1)(n-1) + ( m-2)(n-2)....... 2:23:31 wife👩husband👨.👉vo do S hai jinka tumhe arragement ni krna 👉wife hmesha husband se pehle is similar as Speaker 1 speaks before Speaker 2 2:43:00 Good ques. 3:28:40 Clear concept of group division 3:37:45 Good ques. 3:47:53 Imp✴️✴️
Not for everyone bruh! Jinka weak hai unka to weak hi hai, pr jinka strong hai wo v kbhi kbhi xam ke pressure me aakr dimag ni lga pate is ch me, coz is ch me presence of mind ko hold krna boht zruri hai, unlike other chapters jisme bs boht sara practice chahiye!
00:03 Understanding the nature and variety of permutations and combinations. 02:19 Understanding the importance of permutation and combination in JEE preparation 07:49 Permutations and combinations for flag-making explained 11:14 Permutation and combination explained through color filling and exam question attempts 18:04 Understanding combinations and permutations through different scenarios 21:34 Understanding LCM and solving related problems 28:45 Understanding permutation and combination concepts with examples 31:28 Permutation and Combination 39:46 Understanding different methods to approach permutation and combination in solving questions 43:26 Understanding and forming four-digit numbers 51:12 Understanding the role of zero in permutations 54:23 Permutation and Combination is a fundamental concept with various steps and principles. 1:03:39 Understanding divisibility and combinations 1:07:21 Permutation and combination concepts explained in context of various scenarios. 1:14:50 Permutations and combinations explained with examples. 1:17:59 Strategic pairing in mixed doubles game to create 840 unique matches. 1:25:39 Understanding the concepts of permutation and combination 1:30:49 Understanding permutation and combination concepts 1:37:23 Explaining the Complement Method for Permutations and Combinations 1:42:31 Understanding permutation and combinations 1:48:36 Understanding ordered pairs, subsets, and disjoint sets 1:52:51 Understanding selection and permutation 2:00:38 Understanding geometric counting in Combinations 2:05:50 Creating triangles using points arrangement 2:12:45 Understanding permutations and combinations with examples. 2:17:13 Understanding square patterns and formulas 2:25:40 Arranging people using block method 2:31:06 Finding the number of ways for the girls to stand in a specific order 2:38:24 Permutation and Combination explained with examples 2:41:52 Understanding permutations and combinations in detail 2:48:43 Understanding the permutation and combination of cards in envelopes. 2:52:20 Understanding permutations and combinations through letter arrangements. 2:59:22 Permutations and combinations explained with examples 3:04:42 Understanding the exponent of a prime number in factorial terms 3:14:08 Arrangements of distinct objects in a circle 3:16:56 Permutation and Combination 3:23:31 Handling constraints in permutations and combinations 3:25:34 Understanding permutation and combination with factorial and distribution concepts. 3:32:10 Distributing 8 passengers into 3 groups with specific conditions 3:35:19 Understanding the concept of permutation and combination 3:42:09 Understanding permutation and combination using an example of distributing money to beggars. 3:45:14 Explaining the constraints and how to find total solutions with positive integral values. 3:53:09 Teach the method for finding the number of integral solutions 3:56:41 Understanding permutation and combination concepts 4:03:29 Understanding permutation and combination concepts 4:08:26 Introduction to permutation and combination Crafted by Merlin AI.
1:17:31 Sir proud to say I hsve got a more elegant solution😌 We cant take both members of any couple so it is must to take 1 member from each of the 4 couples to form a committee of 4. So we have to select 1 out of 2, 4 times So we can simply say answer will be 2×2×2×2=16
@@mrpunit8379 Confidence is the most important thing in life. Even if sir said no one would be able to give the correct answer, rather than just discarding your method even if its right, you should challenge yourself to prove sir wrong. That way you can achieve growth. Cheers🤗
1:07:57 sir this was a question of pnc, but in marks app it was in sequence and series and while solving this question i was like this i a really good qn, it took me 10-12 mins but i solved this question on my own, but you made this one so easy,m thats why i study from you bhai...
In the ques of jee advance 2015 jo value of m hai usmei 4! Bhi aayega because jo humne block banaya hai 4 girls ka unka bhi arrangement karna hai or tabhi Jake ans 5 aaraha hai Correct me if I'm wrong
2:16:18 In Rectangle if we took 2consecutive lines from 6 and another 2consecutive lines from 5 then they both intersect and make a square.. Then y didn't sir subtract them????
Sir at 2:32:54 there is a slight mistake :- instead of 6C2 it will be 6P2 as we are arranging 2 blocks in 6 different places. awesome lecture as always! ^^
Finally completed this chapter.... Thank you so much Bhai!!❤❤ Aapke wajah se ye chapter ke saare nazare dekh liye... Bache kuche question practice se ho jayenge... Amazing session 🌻 loved it a lot!!💗💗
Bhai I m a dropper No doubt chemistry and maths are going well but I think this time I will be lagging in physics so please make physics one shots too sir this is the humble request 😔🙏🙏
thanks a lot of you sir i watch after most of the teacher taught so bakwaas this in chapter but you makes easy thanks soo much because all others teacher say to leave this chapter i chapter study atleast 8 times by different teachers but whole concept is now gather in this video thanks so much after realisation of completion of 4 hrs with interesting understanding level in this video love u soo much ( bhai ) for this intersting and challenging chapter (pnc) in whole jee which teachers also ignored this chapter
Sir why you leave vedantu😢 I am not annoying at you bht personally I feel very bad ,you together with vedantu was our emotion .... You were my ideal but ...........happy journey ahead sir☹️
mera bhai, bhagwan kare ye channel january tak underground hojaye aur tab tak growth ruk jaaye fir bhagwan saara pyaar barsa de...xddd great content bhai
@@Jee-sv6qo BHAI BOUNCEBACK BHOT LAMBA HAI..ISKO 2 BAAR KAR BHOT ACHE SE...FIR BOUNCEBACK KA PDF KHOL KE QNS SOLVE KRIO USKE...MAI BHI DROPPER HI THA GOT 99 PERCENTILE, 99.6 IN MATHS ALL BCZ OF HIM
Bhai aap living legend ho. Love you bhai. May you lead your rest of the life happily and may god increase your life expectancy 💖💖💖💖💖💖🔥🔥❤❤and also be electrifying as you are always
Sir, I have a doubt. In the second problem of derangement near about 2:52:00 why can't we use this approach. The approach is first we put C1 to E2 this will be the only way, then we derange C3,C4,C5,C6 toE3,E4,E5,E6 Then we will to arrange C3,C4,C5,C6 to E1, and at last we will arrange C2 to E1,E3,E4,E5,E6. Is there any arrangement which is not noticed or not given by this approach.
We can't do it in this way because in question we are said what there should be no couple if we take the case of only couple than that case will be not be removed from total in which there were 1 couple in the comity so answer will come wrong
2:16:59 sir rectangle vale mein 2×3,3×2,....... Se 4×5 jaise rectangle bhi ban skte hain na . Then apne 6C2.5c2 kyu kiya vo toh 2×3 wale cond. Ko satisfy kri gi na?
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1:17:35 Mixed Doubles tournament
1:49:00 Sets distribution
2:11:10 No of intersection points of lines
2:22:00 Couple arrangement
2:50:00 Derangement
3:49:35 Distribution problem
Notes :
36:27:00 1 particulr lettr must there
43:06:00 no two consecutive ques have same option
1:20:04 mixed double tournament
1:31:00 ***Common mistake *** 👉ki atleast 3-3 to sbke paas hone chahie 👉👉to pehle sbko 3-3 dedo fir baki bche hue me se dedo🙅❌❌❌❌
Becz yha bde sare repeated casr b include hojaenge
1:32:53 ques on above concept⬆️
1:59:55 Good ques✴️Selectiom of r obj. From n similar obj.
2:11:22 No. Of 🔼 formed by taking the point of intersection of lines as vertices
Inters. Points : nC2=m
🔼= mc2 - collinera points se bnne wale🔼
2:19:25 No. Of square formed with m vertical & n horizontal lines
(m-1)(n-1) + ( m-2)(n-2).......
2:23:31 wife👩husband👨.👉vo do S hai jinka tumhe arragement ni krna 👉wife hmesha husband se pehle is similar as Speaker 1 speaks before Speaker 2
2:43:00 Good ques.
3:28:40 Clear concept of group division
3:37:45 Good ques.
3:47:53 Imp✴️✴️
😮😅😊❤
👏👏👏👏✅
Raise if you hated this chapter but liked them after completing this video 😂
Really?? I m going to watch this video but I m in doubt if it'll be sufficient ....
@@Winterbear71blud is this sufficient?
4 ghante ka hi to h dekh ke pata karlo@@sh69khar
Finally i realised the difference between arrangement and distribution
Ya! I can feel your problem
Shi mai bhai
yeah
I still can't
Pls tell me in an easier language
@@pokemoon7772 ab video dhyan se dekh Bhai mujhe yaad nahi ab PNC bhul chuka hu main, IIT Indore mein aa chuka hu😁
Repeat ->
1:02:49
1:16:02
1:33:00
1:35:13
2:00:00
2:14:00
2:15:10
2:33:19
2:45:25
2:53:00
2:58:00
3:19:00
3:52:00
2:33:10 In m, sir forgot to multiply by 4! Because the four girls in block can also be arranged by 4!
That's what I was gonna comment...🤟
I agree
Ha bhai sahi baat hai mai yahi 5 min se soch rha tha
I agree . I was about to comment same bro
Arvind Kalia Sir is the best maths teacher❤
Sir, you haven't uploaded the video of "Relation and Functions" ... Pls Upload this.. it's a great request 🙏🏼🙂
This chapter is the most interesting one in entire JEE math 😅
So many confusions if we did not understand properly
Yeah
Seriously!!
Not for everyone bruh!
Jinka weak hai unka to weak hi hai, pr jinka strong hai wo v kbhi kbhi xam ke pressure me aakr dimag ni lga pate is ch me, coz is ch me presence of mind ko hold krna boht zruri hai, unlike other chapters jisme bs boht sara practice chahiye!
@@NeymarJr-sf8fj yeah 🙌
At 1:17:22 we can also do this question by just selection of 1 person from each pair like 2c1 the multiply this 2c1 4 times and we got the answer
2:52:55,easiest method ever,eye opener,thank you very much
Bhai lekhin answer tho 265 aaraha hai
lecture start at 5:38
Sir 2:33:13 in m you have to multiply with 4! as in block they can arrange in them
00:03 Understanding the nature and variety of permutations and combinations.
02:19 Understanding the importance of permutation and combination in JEE preparation
07:49 Permutations and combinations for flag-making explained
11:14 Permutation and combination explained through color filling and exam question attempts
18:04 Understanding combinations and permutations through different scenarios
21:34 Understanding LCM and solving related problems
28:45 Understanding permutation and combination concepts with examples
31:28 Permutation and Combination
39:46 Understanding different methods to approach permutation and combination in solving questions
43:26 Understanding and forming four-digit numbers
51:12 Understanding the role of zero in permutations
54:23 Permutation and Combination is a fundamental concept with various steps and principles.
1:03:39 Understanding divisibility and combinations
1:07:21 Permutation and combination concepts explained in context of various scenarios.
1:14:50 Permutations and combinations explained with examples.
1:17:59 Strategic pairing in mixed doubles game to create 840 unique matches.
1:25:39 Understanding the concepts of permutation and combination
1:30:49 Understanding permutation and combination concepts
1:37:23 Explaining the Complement Method for Permutations and Combinations
1:42:31 Understanding permutation and combinations
1:48:36 Understanding ordered pairs, subsets, and disjoint sets
1:52:51 Understanding selection and permutation
2:00:38 Understanding geometric counting in Combinations
2:05:50 Creating triangles using points arrangement
2:12:45 Understanding permutations and combinations with examples.
2:17:13 Understanding square patterns and formulas
2:25:40 Arranging people using block method
2:31:06 Finding the number of ways for the girls to stand in a specific order
2:38:24 Permutation and Combination explained with examples
2:41:52 Understanding permutations and combinations in detail
2:48:43 Understanding the permutation and combination of cards in envelopes.
2:52:20 Understanding permutations and combinations through letter arrangements.
2:59:22 Permutations and combinations explained with examples
3:04:42 Understanding the exponent of a prime number in factorial terms
3:14:08 Arrangements of distinct objects in a circle
3:16:56 Permutation and Combination
3:23:31 Handling constraints in permutations and combinations
3:25:34 Understanding permutation and combination with factorial and distribution concepts.
3:32:10 Distributing 8 passengers into 3 groups with specific conditions
3:35:19 Understanding the concept of permutation and combination
3:42:09 Understanding permutation and combination using an example of distributing money to beggars.
3:45:14 Explaining the constraints and how to find total solutions with positive integral values.
3:53:09 Teach the method for finding the number of integral solutions
3:56:41 Understanding permutation and combination concepts
4:03:29 Understanding permutation and combination concepts
4:08:26 Introduction to permutation and combination
Crafted by Merlin AI.
2:33:04
Sir you forgot to multiply it with factorial 4
(Girls inner arrangement)
Yes true mene bhi isliye comments khole
Yes u r right I was confused for the first time and when I checked the answer was wrong. Then I saw that sir forgot to include 4!.
Same here...
Yes bro main bhi yahi bolna chahta tha
Same
2:14:50
Wrong answer 21c3=1530given original answer 1330
bhai -140 bhi kar
Answer is 1190
1:17:31 Sir proud to say I hsve got a more elegant solution😌
We cant take both members of any couple so it is must to take 1 member from each of the 4 couples to form a committee of 4.
So we have to select 1 out of 2, 4 times
So we can simply say answer will be 2×2×2×2=16
I thought the same and because of sir I thought I was wrong 😂
@@mrpunit8379 Confidence is the most important thing in life. Even if sir said no one would be able to give the correct answer, rather than just discarding your method even if its right, you should challenge yourself to prove sir wrong. That way you can achieve growth.
Cheers🤗
Bro i have a more prpoer solution😊😊😊
not possible@@rainyranjan7223
Yess just like true false q, I thought the same 😃
1:07:57 sir this was a question of pnc, but in marks app it was in sequence and series and while solving this question i was like this i a really good qn, it took me 10-12 mins but i solved this question on my own, but you made this one so easy,m thats why i study from you bhai...
514
Sir your ideology matches with mine you are one of the few teachers who gives equal importance to the theory as the problems.❤❤
Same here
in this chaper game of theory because que language wale h
That ideology doesn't apply everywhere
@@noohsiraj7555 it does
00:41:00 Use compliment meth
02:14:00 good
02:53:00 What was that 😂
03:01:00 Divisors problems
Arvind Kali sir is the best mathematics teacher.
BHAI aap hi asli bhai ho🔥🔥
1) letters problem. 2) digit problem
1. 29:08. 1.45:20
2.. 30:12 2..47:20
3..34:32 3..51:50
4..44:32
sir...the beggar's method was the bestt parttt!!
i had'nt understood that kinda problems ever beforeee!
hats off to yu!
Can you please please explain 1:56:30 how no. Of points of intersection came ⁷C 2
Wrong time line maybe I can help @@Mohith-i2m
Bhai nhi aata padhana is sir ko
@@DhruvMalkar-we9vvkya baat kar rah hai sachchi mei
@@DhruvMalkar-we9vv tera skill issue he bkl agar tuje samaj me nahi aya to sir ko padhana nahi ata kyu bolra 😂
STANDARD 42:00 approach 50:00 1:05:00 1:15:00 1:35:00 1:49:00 TO 2:00:00 2:10:00 2:50:00 2:59:00 TO 3:11:00 3:34:00
Thanks
2:33:23 M me hamne 4! se multiply bhi karna padega because 4 box me band girls ko bhi ham rearrange kar sakte hai with permutations as 4!
But answer will be 1/5not 5
He is the best teacher bro . Understood everything
2:52:30 - good one
3:48:59- only valid for n=10 or less , if value exceeds 10 u have to subtract many cases
I can't even believe how someone can teach so efficiently. Like literally the best study video someone has ever made that helpful.
at 2:33:22 *4! should also come
Wohi ttoo
2:19:00 Sir there is a difference between what you explained and the answer shown after Please look into it
Yes bro I was also confirming in the comments and found you too stuck like me
Sir, notes channel pe nhi hai ! plz upload!!
This was a great session I had completed my PnC backlog through this lecture I LOVE YOU BHAI❤❤❤❤
Virat and rohith was personal🖤 1:36:27
love you sir ji/bhai😃 keep uploading videos like this
2:29:51 option b ans
1:13:42
Mentioning easiest solution
Select one person from each couple: 2c1*2c1*2c1*2c1 = 2*2*2*2 = 16. Done
2:33:08 pe 4! Se multiply hoga😊
In the ques of jee advance 2015 jo value of m hai usmei 4! Bhi aayega because jo humne block banaya hai 4 girls ka unka bhi arrangement karna hai or tabhi Jake ans 5 aaraha hai
Correct me if I'm wrong
1:07:40 and 1:15:00 and next too 1 40 min
Repeat Questions:
1:03:31
1:13:52
1:56:00
2:11:24
2:33:21
2:37:50
2:49:20
3:49:39
2:16:18 In Rectangle if we took 2consecutive lines from 6 and another 2consecutive lines from 5 then they both intersect and make a square.. Then y didn't sir subtract them????
because square is also a rectangle
Sir.. 2:33:15 wale question ke b part me (×4!) Bhi hoga na to arrange the four girls in block?
Exactly true
At 1:13:39 [4c0][6c5] can also possible so ans. 186 may be
Please verify
2:30:00 - 2:33:50 important question
Sir at 2:32:54 there is a slight mistake :- instead of 6C2 it will be 6P2 as we are arranging 2 blocks in 6 different places.
awesome lecture as always! ^^
This chapter is so conceptual
Now I m fearless becouse of you
2:33:19 sir issme M me 4! aur nhi multiply hoga to arrange the girls in the box?
2:48:46 sir over here it will be 1/2!-1/3! in the bracket.
2:33:13 sir you forgot to multiply 4! For girls inner arrangement
Sir couple wala solve ho gaya
8c1 × 6c1 × 4c1 × 2c1 /4!
Divided by 4! As we just need to select not arrange
Kya batau sir kya lecture tha bhai maja aa gaya maths se darta tha pyar hogaya bhai
From how many years shera is studying for jee? 😅
Shera is a variable like x
😂😂😂😂
43:25 repeat
54:03 repeat (common)
Restriction
Arvind sir is my favourite sir I love it
Finally completed this chapter.... Thank you so much Bhai!!❤❤ Aapke wajah se ye chapter ke saare nazare dekh liye... Bache kuche question practice se ho jayenge...
Amazing session 🌻 loved it a lot!!💗💗
Sir your bucket technique saved my pnc🤩🤩
Sir,Is the 2^n method also useful for other numbers in which every subjob has same ways of tackling
Can you please please explain 1:56:30 how no. Of points of intersection came ⁷C 2
Really best ever lecture on permutations....thank you sir❤
Disisowpwyw8w8
Blank Space
❤
Thanks sir aapke approach of solving se bhit learn mila best ch bs advance session lao problem
2:33:21 worng answer in the m ways we should multiply the 4!
Sir done with permutations and combinations
Sir plzz start with co-ordinate geometry....
3:03:46
Proper divisor will be 60 - 2
Bhai I m a dropper
No doubt chemistry and maths are going well but I think this time I will be lagging in physics so please make physics one shots too sir this is the humble request 😔🙏🙏
Tamatar sir ke dekh lo vedantu jee channel se
Pw
Jayant nagda sir or competishun physics they cover jee adv topics in details
sir begger method was really helpfull to imaging love u boss
thanks a lot of you sir i watch after most of the teacher taught so bakwaas this in chapter but you makes easy thanks soo much because all others teacher say to leave this chapter i chapter study atleast 8 times by different teachers but whole concept is now gather in this video thanks so much after realisation of completion of 4 hrs with interesting understanding level in this video love u soo much ( bhai ) for this intersting and challenging chapter (pnc) in whole jee which teachers also ignored this chapter
2:14:54 slides m answer 1390 but in actual answer is 1190 if I am wrong comment me
You're right...I got the same..1190
THANK U SO MUCH BHAI
Sir why you leave vedantu😢 I am not annoying at you bht personally I feel very bad ,you together with vedantu was our emotion .... You were my ideal but ...........happy journey ahead sir☹️
Arey udhar paisaa nhi milta tha barabar isliye
😂@@SufyaanSawant
Sir is sir...
2:33:10 Sir you forgot to arrange girls (4!) in calculating M.....although answer is 5
sir very helpful lectures thank you very much for all your help and support
Thanks for teaching us❤
mera bhai, bhagwan kare ye channel january tak underground hojaye aur tab tak growth ruk jaaye fir bhagwan saara pyaar barsa de...xddd
great content bhai
bhai bounceback badiya hai ya ye please tell me i am a dropper
@@Jee-sv6qo BHAI BOUNCEBACK BHOT LAMBA HAI..ISKO 2 BAAR KAR BHOT ACHE SE...FIR BOUNCEBACK KA PDF KHOL KE QNS SOLVE KRIO USKE...MAI BHI DROPPER HI THA GOT 99 PERCENTILE, 99.6 IN MATHS ALL BCZ OF HIM
sir ek doubt tha why at 1:47:39 you multiply (2^3)(2^4-1) instead of adding them? and I attempted the question and solved it without soln.
1:07:57 it took around 15 mins but I did it
Best explanation.
Sir saying
"God bless you SHERA"
Sachin sir se krne ke baad bhai ka oneshot implies mastery in chapter ❤❤❤
Sir apne ish one shot me 4hrs sab khatam kardiya magar vedantu wale me 6hrs lage the konsa detailed me h?
sir i think there is an error u made in 2:33:00 you didn't take the arrangement of the 4 girls in the block that would be 4!
Yeah
sir please mic adjust krliya kriye headphone mein avaz bdi gndi aati h❤❤❤
Bhai aap living legend ho. Love you bhai. May you lead your rest of the life happily and may god increase your life expectancy 💖💖💖💖💖💖🔥🔥❤❤and also be electrifying as you are always
❤❤❤ ..... God bless u shera ..
@@kaliaiit❤❤❤❤
Yes Sir I tried lekin hogaya Thanks Sir1!
Sir, I have a doubt. In the second problem of derangement near about 2:52:00 why can't we use this approach.
The approach is first we put C1 to E2 this will be the only way, then we derange C3,C4,C5,C6 toE3,E4,E5,E6 Then we will to arrange C3,C4,C5,C6 to E1, and at last we will arrange C2 to E1,E3,E4,E5,E6.
Is there any arrangement which is not noticed or not given by this approach.
Mera bhai mera bhai ❤❤
1:17:06 Why can't we do that question by compliment method? Total - committee with only couples?
We can't do it in this way because in question we are said what there should be no couple if we take the case of only couple than that case will be not be removed from total in which there were 1 couple in the comity so answer will come wrong
2:33:24 sir yha par m me 4 factorial bhi ayga kyuki 4 girls bhi to aapas me rearrange kr skti h aur tbhi ans 5 aa rha h
Yes bro
1:32:51 ans a 2250
In 1:47 answer should be 2^7-9=119 - Sir Mistakenly said it 2^7-1=127
sir @2:33:23 mei problem hai aapne girls ko block ke andar arrange nahi kia islea answer 5/24 aajayega 4factorial missing hone ki wjah se
I was also thinking the same
2:33:18 Sir in m part 4 factorial bhi to ayega Girls ko arrange krne ke ways
Yes it is imp also ❤️
Sir , please hyperbola and ellipse ka lecture la lijaya. Ye two chapters ka haraak parkar ka question practice karba dijaya please sir ....😊😊
sir when will you take probability for class 12....please respond
3:02:44 sir b part me -2 hoga kyunki 1 and itsrlf dono minus honge
1:13:53 @munawar faruqi doesnt believe in this
2:16:59 sir rectangle vale mein 2×3,3×2,....... Se 4×5 jaise rectangle bhi ban skte hain na . Then apne 6C2.5c2 kyu kiya vo toh 2×3 wale cond. Ko satisfy kri gi na?
Bhai notes dowload nhi ho rhe😢
Can you please please explain 1:56:30 how no. Of points of intersection came ⁷C 2