CLASS 11TH MATHS SETS CLASS | SETS LECTURE -02 CLASS 11TH WITH EXPLANATION QUESTIONS BY USHANK SIR

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  • Опубликовано: 12 ноя 2024

Комментарии • 797

  • @ananyasingh3448
    @ananyasingh3448 7 месяцев назад +112

    04:23 if a is phie i.e. null set then, acc to formula 2 raised to power 0 =1 element
    10:07- [3,4]
    14:46 AUB = B (coz a is already a subset of b)
    15:53 AUBUD {1,2,3,4,5,6,7,8,9,10}
    23:40 A-B = NULL SET OR EMPTY SET PHIE
    25:29 iii A-D= {3,6,9,12,18,21} iv)B-A= {4,8,16,20}
    43:43 IV) (AUB)' = {5,7,9}

  • @DurgaDevi-w4o
    @DurgaDevi-w4o 8 месяцев назад +444

    Who are from batch of 2024 - 2025 in holidays started preparing

  • @RoushanKumar-dk7ms
    @RoushanKumar-dk7ms Год назад +38

    14:30
    the answer is set B because set A as a subset of set B will contain the elements which are already present in set B ☺

  • @shivaygupta5469
    @shivaygupta5469 Год назад +30

    10:04 x belongs to [3,4]
    14:33 AUB=B
    23:40 A-B=Empty Set
    25:15 {3,6,9,12,18,21}
    {4,8,16,20}
    SIR LECTURE WAS REALLY HELPFUL WIAITNG FOR COMPLETE CLASS 11 MATHS SERIES PLZ BRING IT SOON 🙂

  • @priyeshkumar8721
    @priyeshkumar8721 7 месяцев назад +16

    15:34 sir B union D bola hai question mai ,aur apne C union D nikal diya hai , so correct answer would be 3,4,5,6,7,8,910

    • @Prabhjot77763
      @Prabhjot77763 7 месяцев назад +2

      yes sir answer is wrong

    • @NileshLakhera-xh4id
      @NileshLakhera-xh4id 2 месяца назад +1

      भाई हम 2,3 बच्चे ही पढ़ते है बाकी सब देख कर चले जाते है

  • @adyashapanda9657
    @adyashapanda9657 Год назад +43

    10:04 x belongs to [3,4]
    14:33 AUB=B
    23:40 A-B=Empty Set
    25:15 {3,6,9,12,18,21}
    {4,8,16,20}

    • @Diwdutt101
      @Diwdutt101 7 месяцев назад +1

      Nahh a-b null kase aa sakta hai dude😶😶😶😶😶😶😶😶😶😶😶

    • @sheetalraturi1966
      @sheetalraturi1966 7 месяцев назад +1

      Bhai A co consider karega

    • @kovdhsama
      @kovdhsama 7 месяцев назад

      @@Diwdutt101 bhai A subset hai B koh isse liye empty set hoga

    • @Blackwarrior333
      @Blackwarrior333 7 месяцев назад +1

      ​@@Diwdutt101he/ she is right empty hi hoga kyuki if A is sub set of b ye condition hai

    • @Diwdutt101
      @Diwdutt101 6 месяцев назад

      @@kovdhsama first of all i am not Bhai.. and then A-b null set kase aayega?? Or diamwar naam nahi hai vo diam war hai space hai it's an hastag made by me *diam* and it's war

  • @ArshadAnsari0076
    @ArshadAnsari0076 7 месяцев назад +26

    4:16 If A = Φ, then n (A) = 0 (as Φ means a null set). n[P(A)] = 20 = 1. Hence, P(A) has one element.

    • @PrabhaPandey-1232
      @PrabhaPandey-1232 7 месяцев назад

      Aap kaise timline wala post kr dete ho

    • @PrabhaPandey-1232
      @PrabhaPandey-1232 7 месяцев назад

      Mere se nhi ho rha h

    • @Mamtagoyal07
      @Mamtagoyal07 7 месяцев назад

      You just have to type the time from the keyboard and then type your comment

    • @shreyagarg8748
      @shreyagarg8748 7 месяцев назад

      How

    • @Gangsta_paradize
      @Gangsta_paradize 7 месяцев назад +1

      Bhai pehle time ka minute likho phir ':' yeh wala symbol lagao aur fir seconds likho
      Like 23:43

  • @CarxStreet-xw1ql
    @CarxStreet-xw1ql 7 месяцев назад +10

    10:2
    Q (iv) Answer
    X belongs to [3,4]

  • @Inspiring.INDIA_01
    @Inspiring.INDIA_01 Год назад +13

    4:15 1
    10:00 [3,4]
    14:36 B
    Thankyouuu for the session ❤

  • @raxhitt
    @raxhitt 8 месяцев назад +13

    Sir u are a great teacher ❤

  • @thefan7335
    @thefan7335 5 месяцев назад +4

    Baap waali baat se agree krta hu sir 👏👑28:58

  • @sakshipal3116
    @sakshipal3116 Год назад +6

    5:40 min 1or 2 ke bich mai infinity rael number hote hai
    10:00 min ans =[3,4]
    13:57 min A U A = A
    14:45 min agar A ka subset B hai toh union vo hoga jo A ke element hai
    16:04 min HW {1,2,3,4,5,6,7,8,9,10}
    18:03 min A intersection A= A

  • @onikraj9373
    @onikraj9373 7 месяцев назад +4

    44:39 sir iss question mein set A ka 8 element ke bagal wala bracket dekhiye agar aisa likha hai toh phir hum 8 ko consider nhi krenge aur lhs aur rhs equal krenge toh value {1,8,9} aayegi

  • @vikashrathore3480
    @vikashrathore3480 7 месяцев назад +5

    23:43 ans:----- phie

  • @itz_Sachin_-eb5km
    @itz_Sachin_-eb5km Год назад +20

    32:06 hence proved 😂😂😂 elder brother of ashu sir..

    • @heart_hacker-bm7zg
      @heart_hacker-bm7zg 2 месяца назад

      also at 11:28 listen carefully bro bahut gahri bat hai💀💀

  • @kalpna711
    @kalpna711 Год назад +8

    43:43 {1,2,3,4,6,8}’={5,7,9}

    • @Adityasharma88882
      @Adityasharma88882 8 месяцев назад +1

      Thank you finally found the answer between unnecessary comments 😃

    • @sameer_3836
      @sameer_3836 6 дней назад

      Nice ​@@Adityasharma88882

  • @consoleplayz7077
    @consoleplayz7077 7 месяцев назад +3

    4:19 if a = {}
    then n=0 and a^0=1
    then no. of element in super set will be : 1

  • @anshusartscraft2105
    @anshusartscraft2105 7 месяцев назад +30

    Exams me padhai nhi ki aur ab exams ke baad holidays me padh rhe h 😂

  • @harshkeshari7553
    @harshkeshari7553 7 месяцев назад +5

    43:39 (AUB)' = 5,7,9

  • @vikashrathore3480
    @vikashrathore3480 7 месяцев назад +5

    14:38 ans is :------ (B)

  • @Show_cake_raju
    @Show_cake_raju 7 месяцев назад +1

    23:42
    If ACB then A-B = phie or { }
    25:19
    A-D= { 3,6,9,12,18,21}
    B-A= {4,8,16,20}

  • @ruchidhiman2547
    @ruchidhiman2547 7 месяцев назад +3

    Sir your teaching is best

  • @monu_bhai246
    @monu_bhai246 Год назад +6

    Sir ap bahut badiya padhate ho ap backbenchers agar apki video dekhke exam Dene Jaye toh aaram se pass ho jayega😊😊

    • @itsme2880
      @itsme2880 7 месяцев назад

      Bhai apka comments ki pheli line English na translation bhut 👽👽👽

  • @Adityaverma-ew3em
    @Adityaverma-ew3em 7 месяцев назад +6

    9:59 X belong to [3,4]
    16:06 AUBUD={1,2,3,4,5,6,7,8,9,10}
    25:31 (iii) {3,6,9,12,18,21}
    25:33 (iv) {4,8,16,20}
    43:41 (AUB)’={5,7,9}

  • @Studywithronak
    @Studywithronak Год назад +58

    AESE HI LECTURE AAYE T😊OH HOGYI 11TH

    • @NitinKumarSTD
      @NitinKumarSTD Год назад +3

      MATLAB ???

    • @vivek_kumar_patel5970
      @vivek_kumar_patel5970 Год назад +8

      ​@@NitinKumarSTD matalab 11 aasan rahne wala hai agar aaise lectures aate rhe to but bhai ke likhne se meaning alag hi lag rha hai 😂

    • @deepankar3308
      @deepankar3308 Год назад +3

      ​@@vivek_kumar_patel5970uska matlab hai ki 1 mahine me 1 chapter ho raha hai to kaise ho paegi class 11😢

    • @vaibhavshukla4117
      @vaibhavshukla4117 Год назад +2

      😊😊😊😊😊😊😊😊😊😊😊😊😊😊😊😊😊😊😊😊😊😊😊😊😊😊😊😊😊😊😊😊😊😊😊😊😊😊😊😊😊😊😊😊😊😊😊😊😊😊😊😊😊😊😊😊😊😊😊😊😊😊😊😊😊😊😊😊😊😊😊😊😊😊😊😊😊😊😊😊😊😊😊😊😊😊😊😊😊😊😊😊😊😊😊😊😊😊😊😊😊😊😊😊😊😊😊😊😊😊😊😊😊😊😊😊😊😊😊😊😊😊😊😊😊😊😊😊😊😊😊😊😊😊😊😊😊😊😊😊😊😊😊😊😊😊😊😊😊😊😊😊😊😊😊😊😊😊😊😊😊😊😊😊😊😊😊😊😊😊😊😊😊😊😊😊😊😊😊😊😊😊😊😊😊😊😊😊😊😊😊😊😊😊😊😊😊😊😊😊😊😊😊😊😊😊😊😊😊😊😊😊😊😊😊😊😊😊😊😊😊😊😊😊😊😊😊😊😊😊😊😊😊😊😊😊😊😊😊😊😊😊😊😊😊😊😊😊😊😊😊😊😊😊😊😊😊😊😊😊😊😊😊😊😊😊😊😊😊😊😊😊😊😊😊😊😊😊😊😊😊😊😊😊😊😊😊😊😊😊😊😊😊😊😊😊😊😊😊😊😊😊😊😊😊😊😊😊😊😊😊😊😊😊😊😊😊😊😊😊😊😊😊😊😊😊😊😊😊😊😊😊😊😊😊😊😊😊

    • @ShailendraChadokar
      @ShailendraChadokar 10 месяцев назад +1

      Sir universal set is have nell set

  • @Unknownbhai0123
    @Unknownbhai0123 11 месяцев назад +3

    12:33good line

  • @Explorewithdevdutt0817
    @Explorewithdevdutt0817 7 месяцев назад +2

    Gajab sirr badiya pdhya🎉

  • @JeevanJangid-lm3wf
    @JeevanJangid-lm3wf 3 месяца назад +4

    Thanks sir for teaching us ❤

  • @ashokkhambait2372
    @ashokkhambait2372 Месяц назад +2

    23:55 null

  • @SurenderSingh-wf1km
    @SurenderSingh-wf1km Год назад +5

    Yes sir miscellaneous jaroor kara dijiye

  • @khushantarora7196
    @khushantarora7196 8 месяцев назад +3

    4:19 ans:1
    10:10 ans : x €[3,4]

    • @Divyansh32128
      @Divyansh32128 8 месяцев назад

      No 4:19 2 hoge

    • @Divyansh32128
      @Divyansh32128 8 месяцев назад

      2^n = 2^1=2

    • @khushantarora7196
      @khushantarora7196 8 месяцев назад

      ​@@Divyansh32128Bro here n=0
      As A is an empty set
      Therefore 2^n=2^0=1

  • @DevDivanshu
    @DevDivanshu Год назад +8

    Finally 2nd lecture aa hi gya

  • @vivek_kumar_patel5970
    @vivek_kumar_patel5970 Год назад +13

    15:39 sir i think here you have written wrong because in B U D there will be {3,4,5,6,7,8,9,10}❤

  • @mamtaverma193
    @mamtaverma193 7 месяцев назад +2

    [3,4] Answer ho ga

  • @EXTREME_SG560
    @EXTREME_SG560 3 месяца назад +1

    10:05 {x:x belongs to r , 3more than equal to x less than or equal to 4}
    ans= [3,4]

  • @EXTREME_SG560
    @EXTREME_SG560 3 месяца назад +1

    14:40 AUB
    Ans= if A is subset of B then AUB will always be set B itself

  • @sankalpbharti9285
    @sankalpbharti9285 6 месяцев назад +1

    Sir answer of questions:- no. Of elements in power set of A if A is phii

  • @user-lx5ig9fy9l
    @user-lx5ig9fy9l Месяц назад

    West Bengal board se hu sir ❤ same syllabus with cbse ....aap aur Ashu sir amazing teacher ho ❣️❣️❣️ thank you so much.

  • @Himani_dhami102
    @Himani_dhami102 7 месяцев назад +2

    24:26
    A

  • @lifeofgarvit9485
    @lifeofgarvit9485 6 месяцев назад +1

    thank you sir you're the best math teacher i've ever had in my life. I've been studying from you since 9th grade on youtube for free and your content is the best bcz you actually know how to teach properly and you can make maths (a sub that i hated before i saw your lectures), a very interesting subject. Thank you so much sir

  • @googlegamer9452
    @googlegamer9452 7 месяцев назад +2

    24:22
    phill

  • @dhanishtamarkandey5060
    @dhanishtamarkandey5060 Год назад +5

    thank you so much sir for teaching us ❤my all concepts are now clear because of you. As I am not going to tuition because of some issues but now I can study without it.

  • @YashwinVashishath-x3s
    @YashwinVashishath-x3s 2 месяца назад +1

    4:18 no of elements is 1
    11:02 aub is set b
    24:57 null set empty set yan void set as a me b ke elements h

  • @shauqatali1446
    @shauqatali1446 Год назад +2

    14:42 ans A

  • @pinkirathor6426
    @pinkirathor6426 Год назад +4

    10:04 x belongs to [3,4]

  • @bholasharma8847
    @bholasharma8847 7 месяцев назад +2

    43:44 {5,7,9}

  • @Himani_dhami102
    @Himani_dhami102 7 месяцев назад +2

    16:00
    [1,2,3,4,5,6,7,8,9,10]

  • @vinitajha8790
    @vinitajha8790 5 месяцев назад +2

    10:04
    Q. (iv) [3,4]

  • @jaysuthar-v8q
    @jaysuthar-v8q 9 месяцев назад +2

    18:20 1. A
    2. null set

  • @jiyaaggarwal5322
    @jiyaaggarwal5322 Год назад +8

    4.13- answer is 2
    5.39- answer is infinity
    13.58- answer is 1,2,3,4
    14.11- answer is ∅, 1,2,3,4
    14.35-answer is B
    23.42-answer is ∅
    45.23-👍👍

    • @shauqatali1446
      @shauqatali1446 Год назад +7

      1st wale ka ans 2 nhi 1 hai..

    • @javedhussain321
      @javedhussain321 9 месяцев назад

      ​@@shauqatali1446 Yes. Answer is 1. 2⁰=1 this is right answer

  • @ankitranjan2222
    @ankitranjan2222 8 месяцев назад +2

    9:07 intervals (important)

  • @HariomPargain
    @HariomPargain Месяц назад +1

    Thank you sir this is incredible and crystal clearing video ❤❤

  • @mainpalchauhan2992
    @mainpalchauhan2992 Год назад +2

    AuBuD [1,2,34,5,6,7,8,9,10]

  • @purvasapra9750
    @purvasapra9750 7 месяцев назад +2

    25:20 A-D={3,6,9,12,18,21}

  • @LokeshKumar-y2w
    @LokeshKumar-y2w Месяц назад +2

    25:32 = 4,8,16,20

  • @THUNDER.GAMING_021
    @THUNDER.GAMING_021 8 месяцев назад +2

    4:19
    Answer:- only 1 element

  • @hightbeachgamer3275
    @hightbeachgamer3275 7 месяцев назад +2

    Sir AUB= B IF AcB

  • @jaysuthar-v8q
    @jaysuthar-v8q 9 месяцев назад +2

    14:40 B hoga sir

  • @JaspreetSingh-wk6jy
    @JaspreetSingh-wk6jy Год назад +3

    if A is subset of B then, A U B =B

  • @shreyajadhav-r2m
    @shreyajadhav-r2m 3 месяца назад +1

    Thanks sir mene 5 videos dekhe pr aapke video se intervals samaj aaya😢 thank you so much 😊

  • @shivamshorts09482
    @shivamshorts09482 10 месяцев назад +3

    Thanku so much aaj apki class me padh kar mujhe sets agaya😅

  • @sakshipal3116
    @sakshipal3116 Год назад +4

    THANK YOU SIR

  • @saumya329
    @saumya329 Месяц назад

    10:10 Answer = {3,4}❤❤

  • @chitranshitushir9114
    @chitranshitushir9114 7 месяцев назад +2

    {1,2,3,4,6,8,10}

  • @Mamtagoyal07
    @Mamtagoyal07 7 месяцев назад +2

    43:43 (iv).
    (AUB)' = {5,7,9}

  • @kalpna711
    @kalpna711 Год назад +3

    3:39 2²=4 {formula 2^n}

    • @niteesharma4428
      @niteesharma4428 7 месяцев назад

      🎉🎉🎉🎉xhhdueheheyegeueyueeyeyueeeieieueii3iue

  • @Show_cake_raju
    @Show_cake_raju 7 месяцев назад

    14:34 AUB= B since A is a subset of B while B contains all the elements or in short it is union of subsetA and setB.

  • @Here_Harshit
    @Here_Harshit Год назад +2

    [3,4]

  • @rockeygaming5981
    @rockeygaming5981 Год назад +2

    47:02 yes

  • @HarmanMarahar-n1o
    @HarmanMarahar-n1o 2 месяца назад +1

    25:23 iii-{3,6,9,12,18,21}
    iv-{4,8,16,20}

  • @MonaSikarwar-u2z
    @MonaSikarwar-u2z 6 месяцев назад +1

    Sir your teaching is understandable ❤❤❤❤

  • @HarjeetSingh-z7j
    @HarjeetSingh-z7j 2 месяца назад +1

    24:05 phie

  • @sakshipal3116
    @sakshipal3116 Год назад +2

    43:40 MIN HW {5,7,9}

  • @priyanshu-mk6cq
    @priyanshu-mk6cq 7 месяцев назад +2

    14:51 ka answer B hoga

  • @EXTREME_SG560
    @EXTREME_SG560 3 месяца назад

    23:54 A subset B
    A-B
    Ans= phie set because A contains every element of B so nothing is left

  • @mamtatiwari820
    @mamtatiwari820 4 месяца назад +1

    9:57 x=[3,4]

  • @AmanKumar-cb1gn
    @AmanKumar-cb1gn 2 месяца назад +2

    2 in power set

  • @Mamtagoyal07
    @Mamtagoyal07 7 месяцев назад +1

    23:51 A-B = phie or { }

  • @rajatjaiswal5057
    @rajatjaiswal5057 8 месяцев назад +2

    [3,4] 10:06

  • @godnitin3384
    @godnitin3384 7 месяцев назад +2

    16:12 part 4 wrong ❌ because B union D and you take it C union D

  • @ArpitAgnihotri-b1i
    @ArpitAgnihotri-b1i 10 месяцев назад +2

    14:43 AUB=B

  • @purvasapra9750
    @purvasapra9750 7 месяцев назад +1

    25:22 B-A={4,8,16,20}

  • @FactbyCampbell
    @FactbyCampbell 8 месяцев назад +1

    28:55 Sir Is Spitting Factss ❤😂😂😂😂😂😂

  • @EXTREME_SG560
    @EXTREME_SG560 3 месяца назад +1

    4:23 no of subset of null set is 1

  • @ishanupadhyay-o4b
    @ishanupadhyay-o4b 7 месяцев назад

    Subtraction of set H.W.
    iii) A-D = {3 , 6 , 9 , 12 , 18 , 21}
    iv)B-A = {4 , 8 , 12 , 16 , 20}

  • @EXTREME_SG560
    @EXTREME_SG560 3 месяца назад

    13:59 AUA
    Ans= A , A union A will always contain same element so we can write set A

  • @Pranav-du4rv
    @Pranav-du4rv 6 месяцев назад +3

    sir please 11th mai bhi paper leak karva dena aapko roj subha pujunga pakka sir pleazz

  • @THUNDER.GAMING_021
    @THUNDER.GAMING_021 8 месяцев назад +1

    10:01
    Answer:- [3,4]

  • @Apurba.801
    @Apurba.801 5 месяцев назад +2

    Q4 x belongs to [3,4]

  • @Sakshi-jx7yg
    @Sakshi-jx7yg 8 месяцев назад +6

    Sir you are not best teacher of maths but the bestest one ❤

    • @RK_Shorts69
      @RK_Shorts69 7 месяцев назад

      Bestest is not a word😂😂❤

    • @Sumit-b4b9y
      @Sumit-b4b9y 7 месяцев назад +2

      Koii sense h is baat ka🥲

  • @jaysuthar-v8q
    @jaysuthar-v8q 9 месяцев назад +1

    24:00 null su=et

  • @MOYE_moye028
    @MOYE_moye028 9 месяцев назад +2

    Thankyou sir jiii

  • @mohdaman466
    @mohdaman466 5 месяцев назад +1

    @10:04 q 4 [3,4]

  • @soniamehra9810
    @soniamehra9810 7 месяцев назад +8

    Kon 2024-25 wala bath sa hai

  • @purvasapra9750
    @purvasapra9750 7 месяцев назад +4

    22:02 A subset of B A-B = A

  • @Palakrathi-k4k
    @Palakrathi-k4k 6 месяцев назад

    Sir plz mesleries krva do
    Or mera Rajasthan board h usme kese questions aate h??
    I really appreciate your teaching😊ik br hi sb kuch smj aa jata h sir thank you for helping us.
    Ik dought h subsets wale question m to uske kuch questions krva dete to clear ho jaiga

  • @Beingkrishnas
    @Beingkrishnas 3 месяца назад +1

    32:06 never let them know your next move 😂😂

  • @bhavyatyagi079
    @bhavyatyagi079 6 месяцев назад +1

    14:40 and is B

  • @RoushanKumar-dk7ms
    @RoushanKumar-dk7ms Год назад +1

    23:40
    The answer is phai.

  • @AartiChaudhary-vw9vi
    @AartiChaudhary-vw9vi 5 месяцев назад +1

    Sir you are great and you explain question in easy form