Solve Determinants In 5 Seconds | IIT-JEE Short Cuts & Tricks | GATE, CSIR-NET

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  • Опубликовано: 12 июл 2024
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    Solve Determinants In 5 Seconds | IIT-JEE Short Cuts & Tricks | GATE, CSIR-NET | Score Quick Marks | By @Dr.Gajendra Purohit - GP Sir
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    Time Stamp
    An introduction - 0:00
    Trick determinant of block diagonal matrix - 1:14
    Trick determinant of upper triangular block matrix - 2:26
    Trick determinant of lower triangular block matrix - 3:19
    Trick determinant of block matrix - 4:23
    Find Determinant (answer asked in Comment box for this video) - 5:31
    Detailed about old videos - 5:53
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Комментарии • 540

  • @gajendrapurohit-GATE-NET-JAM
    @gajendrapurohit-GATE-NET-JAM  3 года назад +22

    More Short Tricks - ruclips.net/p/PLIU86IV5HmhRs9P3xj2JIrOUJU9FmJ6Xg

    • @dineshkumarhm8433
      @dineshkumarhm8433 2 года назад

      If matrix is not block and it is 4*4 order. Then how to solve.. I faced this in analytical geometry.. Of "general conic theory "

  • @rupankarchatterjee1309
    @rupankarchatterjee1309 3 года назад +34

    (-2)(-2) = 4 . Option ( a )
    Solved in 5 seconds .
    This short trick series of Matrix is very interesting. Thank you sir for the videos and for making Matrix problems easier for us.❣️

  • @yannamallanagaraju311
    @yannamallanagaraju311 3 года назад +19

    Super short tricks sir 😀 thank u so much ❤️ last answer -2×-2=4

  • @divypandya_167
    @divypandya_167 3 года назад +22

    Less seconds to solve, more seconds to type the answer 😅
    A is correct

  • @viveksharma5483
    @viveksharma5483 3 года назад +34

    You are really amazing teacher.
    That too we could get all knowledge for free. Great

    • @gajendrapurohit-GATE-NET-JAM
      @gajendrapurohit-GATE-NET-JAM  3 года назад +13

      Thank you! 😃 All The Best Beta

    • @naziaparveen8850
      @naziaparveen8850 6 месяцев назад

      ​@@gajendrapurohit-GATE-NET-JAMsr 4 by 4 ka matrix ka inverse kaise nikale short tricks se sr please bta dijiye

  • @sethsoumyaranjan29
    @sethsoumyaranjan29 3 года назад +47

    4 with in 2 to 5 sec

  • @anmolgupta-bj5ce
    @anmolgupta-bj5ce 3 года назад +10

    Ans is 4 within 5 sec and thank you sir for your inovative way of teaching 🙏🙏🙏

  • @sundusaqeel5127
    @sundusaqeel5127 2 года назад +2

    Great work by great teacher. Thank you sit

  • @jaideepmot
    @jaideepmot 3 года назад +8

    A is the correct answer. I solve this problem within 20 seconds by using this trick.

  • @shivangityagi3417
    @shivangityagi3417 3 года назад +4

    Det is 4 and able to solve this ques while you were telling about the problem..... Thanks to you sir

  • @sadbhavanarastogi6573
    @sadbhavanarastogi6573 3 года назад +4

    Lot of thanks time to time knowledge ko increase krte ho ☺️

  • @subhadipbhowmik8753
    @subhadipbhowmik8753 2 года назад +3

    Thank you sir.. 💙💙 You are great 🙏🙏 Last question ans is 4 option A is right... This short tricks are very helpful to me.. And we want to learn lots of short stricks from you, Sir..💙💙🙏🙏

  • @KomalSingh-bv8yg
    @KomalSingh-bv8yg 2 года назад +1

    Thank you sir very helpful video lectures

  • @sunainachawla2405
    @sunainachawla2405 2 года назад +1

    Fantastic...way of teaching mathematics.......

  • @babansahani9286
    @babansahani9286 3 года назад

    Superb trick guru g thanku so much

  • @DEEPAK-td6qw
    @DEEPAK-td6qw 3 года назад +8

    Answer is option A i.e 4. I took just 3 seconds to solve with the help of the trick you taught.
    Thanku sir.

  • @sahilkashyap3564
    @sahilkashyap3564 3 года назад +5

    Answer =4 5Sec
    Sir can you please make a video lecture on how to evaluate A^20 where A is a matrix(like problems)

  • @noshinsharmilytithi6621
    @noshinsharmilytithi6621 Год назад +2

    Thanks sir,I am so grateful to u.I'm a Bangladeshi student. I am solving previous question bank for Engineering admission and suddenly found the math,Thanks a lot sir. Now, i have a clear idea.❤

  • @rutujathakare9529
    @rutujathakare9529 Год назад

    Thanks sir
    Your teaching is too good and always help me to solve my daughts

  • @yesishpatle2304
    @yesishpatle2304 3 года назад +3

    Last question answer is option A ie.4. time taken 10 second by this trick.
    Thank you sir

  • @tRedhu
    @tRedhu 2 года назад

    Thank you sir 😊😊 aapka chanal bahut helpful hai mere liye ❤️❤️

  • @solutionofmathematics1411
    @solutionofmathematics1411 3 года назад +4

    Option-A correct thank you sir ♥️🙏

  • @adarshdixit577
    @adarshdixit577 2 года назад

    Thanku so much sir you are very helpful teacher to we all students who

  • @subhashsahu2571
    @subhashsahu2571 2 года назад +2

    Option A) 4 around 5sec thanku so much sir really helpful lecture

  • @shivamgoel1884
    @shivamgoel1884 3 года назад

    Thank you for the short trick sir

  • @prahladmukherjee6948
    @prahladmukherjee6948 3 года назад +1

    Sir ap jaise teacher pana kisi purbajonm ka achhe kam ka natiza hota hai.
    You are Great sir

  • @mohitkrjain9396
    @mohitkrjain9396 3 года назад +2

    Using the formula for determinant of block diagonal matrix, we get det(M)=(-2)(-2)=4

  • @spiritualcity7114
    @spiritualcity7114 3 года назад +3

    A is correct answer, I solved this in only 4 sec...thank u sir

  • @GaganKumar-zk1zu
    @GaganKumar-zk1zu 3 года назад

    App bahut achaa padhate ho sir main bsc ka app k video dhekta hun bahut badhiya hai 👌🙏🙏👌🙏

  • @pujaguha7163
    @pujaguha7163 2 года назад +1

    Optn (a)4. 2 sec. Sir thank you very much .this tricks help a lot .thank you sir.

  • @flavorofworld
    @flavorofworld 3 года назад

    (a) 4 with in 10 sec
    Thank you sir ..... amazing shortcut trick

  • @sanadclasses6156
    @sanadclasses6156 2 года назад

    Amezing trick sir 👍❣️💯

  • @learnwithkaran4370
    @learnwithkaran4370 3 года назад

    Bahut achhi series hai sir ji

  • @prayanshshrivastava
    @prayanshshrivastava 3 года назад +4

    Answer = 4, 6 sec
    You are great sir ❤

  • @user-zz7wf7yv3x
    @user-zz7wf7yv3x 2 года назад

    Excellent Sir....

  • @animeshsarkar7717
    @animeshsarkar7717 Год назад +1

    4 is the answer ( less than 5 seconds!).. Thank you so much sir ❤️❤️

  • @Ahraar771
    @Ahraar771 3 года назад +1

    Good trick sir👌

  • @MrSanjuBarman
    @MrSanjuBarman 3 года назад +3

    Opt a 4
    5 sec ❤️❤️❤️❤️❤️
    Love you and thank you sir

  • @abdulasif9365
    @abdulasif9365 4 месяца назад

    Thank You sir
    Respect from Bangladesh 🙏🙏

  • @farheenkhalid3250
    @farheenkhalid3250 2 года назад +1

    Sir you are the great teacher

  • @dipakkahareee204
    @dipakkahareee204 2 года назад

    sir you are great thanks a lot sir

  • @pawankumar-wt5kx
    @pawankumar-wt5kx 3 года назад

    Excellent💯👍👍

  • @shrabanikaboruah5664
    @shrabanikaboruah5664 3 года назад

    Very helpful

  • @kinjalagarwal464
    @kinjalagarwal464 3 года назад

    Wow sir awesome 👍😎

  • @bansaldancestudio245
    @bansaldancestudio245 3 года назад

    Sir apki videos dkhkr positive enrgy aati h....

  • @Spider-Man_67
    @Spider-Man_67 2 года назад

    Ans - 4, Thanks sir for this amazing trick

  • @Rakeshkumar-jf4ty
    @Rakeshkumar-jf4ty Год назад

    Outstanding sir 🙏 🙏 🙏

  • @umakantyadavu.k.y470
    @umakantyadavu.k.y470 2 года назад

    Very nice sir

  • @priyankanayak2268
    @priyankanayak2268 3 года назад +1

    Thanks sir 🙏

  • @honeyshah1410
    @honeyshah1410 3 года назад +1

    Thank you sir ❤️

  • @soniasharma5141
    @soniasharma5141 2 года назад

    You r Great

  • @rishibanerjee9986
    @rishibanerjee9986 10 месяцев назад +1

    Ans opt-A -4 ... less than 5sec ...❤❤ Thank you sir very much.I am a physics hons student .Your videos really helping a lot for preparation in IIT jam ..Thank you very much sir.❤

  • @mehrajganie1477
    @mehrajganie1477 3 года назад +1

    Thanku so much sir

  • @IndoreTv
    @IndoreTv 3 года назад

    4 ans in 3 sec Thank you very much sir for short tricks

  • @mathswithnikkiyadav
    @mathswithnikkiyadav 3 года назад

    Option A is the crt ans...
    Thank you sir ji

  • @sherazmalik9647
    @sherazmalik9647 11 месяцев назад +4

    How to check if CD= DC or not(without actually multiplying in both configurations)? Also, how to find the determinant if CD ≠ DC?

    • @akanshasharma1409
      @akanshasharma1409 6 месяцев назад +1

      Yes if you get to know please send the trick below !

    • @ufffyaar6042
      @ufffyaar6042 5 месяцев назад +1

      If u now please help me also​@@akanshasharma1409

  • @bhaisashravani
    @bhaisashravani Год назад

    Thankyou Sir 😊

  • @poojayadav1483
    @poojayadav1483 3 года назад

    Nice trick sir👍👍

  • @manishsagar2352
    @manishsagar2352 7 месяцев назад

    Sir my answer is 4 but I'm solved in 6 seconds now again I try best.....
    Nd very nice sir for your tricks .......
    Please some more tricks on others topics..... Nd thank you sir❤

  • @sakshiverma4812
    @sakshiverma4812 3 года назад

    Thanku sir ji

  • @shaistha1346
    @shaistha1346 2 года назад

    A)4
    Thank you sir🙏

  • @prasenjitdas4996
    @prasenjitdas4996 2 года назад

    det(M)=(-2)×(-2)=4. within 5 sec. Thank you very much sir.

  • @Dipti11876
    @Dipti11876 3 года назад

    Thank u sir...

  • @chandramma389
    @chandramma389 Месяц назад

    Thank you sir.

  • @prativasahoo5547
    @prativasahoo5547 3 года назад

    Nice sir🙏

  • @xmohitverma
    @xmohitverma 3 года назад +1

    Sir plz more videos

  • @upendrakumar3724
    @upendrakumar3724 3 года назад

    Super hi
    Maths Ka app hero ho sir

  • @manishaverma3287
    @manishaverma3287 2 года назад +2

    Ans is 4 and just 5 sec 👍

  • @pampanandi7127
    @pampanandi7127 3 года назад +2

    Just few seconds sir😃 I just can't believe 😃😀.... Options A(4) is the correct answer.

  • @shahalaimransheikh5359
    @shahalaimransheikh5359 3 года назад

    Nice trick

  • @anishapatel8392
    @anishapatel8392 Год назад

    Sir... 6x6 matrix given h to....to 3x3 matrix ka block bhi to bna skte h?

  • @himanshumaithani8499
    @himanshumaithani8499 2 года назад +1

    Great video Sir...ans is A

  • @mixlife8874
    @mixlife8874 Год назад

    Khatarnak jugad

  • @aryasomayajularajeswarisra9794
    @aryasomayajularajeswarisra9794 2 месяца назад +1

    if for 4by4 matrix if CD not equal to DC then what is the trick to solve the det of the matrix sir

  • @sunandapatra2774
    @sunandapatra2774 2 года назад

    Thank you sir

  • @RajendraYadav-hi8th
    @RajendraYadav-hi8th 3 года назад

    Suparb sir 👍👍 ans 4

  • @vickykumar-fh1kl
    @vickykumar-fh1kl 3 года назад

    That's gjb 😀 ENO kaam suru 6 sec me Sir ke tricks ke sath question khtm 7 sec me

  • @kunjdewangan1587
    @kunjdewangan1587 3 года назад

    Anwer is 4.....thank you so much sir jii 🙏

  • @learnwithabhijit04
    @learnwithabhijit04 3 года назад +1

    Only 2 second sir ...det(A)*det(D)=(-2)*(-2)=4 ..so option (A) is correct answer....tqq sir 🙃🙏

  • @niranjanprasad3009
    @niranjanprasad3009 Год назад +1

    Ans -(4) I have calculated in 5 sec..

  • @prashantyadav2144
    @prashantyadav2144 3 года назад +1

    Option A
    5 sec
    Thankyou Sir

  • @zubairsmathtutorials4542
    @zubairsmathtutorials4542 2 года назад

    Sir plzz detail explanation dijiye... Block matrices ka with eigen values, minimal polynomial
    I mean 1:30 mins ki video banaye

  • @bgs92718
    @bgs92718 3 года назад

    Nice 👌 Sir 👍👍👍👍

  • @sachinmalikjaat
    @sachinmalikjaat 3 года назад

    Thanku sir🙏🙏

  • @shreyamishra0173
    @shreyamishra0173 2 года назад +3

    Option A (4) and I take only 7 seconds 👍👍👍

  • @amitmehrakashyap5981
    @amitmehrakashyap5981 3 года назад

    Wonderful

  • @RahulGupta-tv3i
    @RahulGupta-tv3i 2 года назад

    Ans 4 within 7sec great sir

  • @amitsaha9669
    @amitsaha9669 3 года назад +1

    4 ,only in 5 Second,
    Love u sir

  • @SajidAli-ll4xw
    @SajidAli-ll4xw 3 года назад

    Love from pakistan sir
    Learn alot of you💖💖💖

  • @saranshsharma7312
    @saranshsharma7312 11 месяцев назад

    Only in 10 seconds thanks sir for this trick

  • @mathsrelated
    @mathsrelated 2 года назад +1

    Sir how to solve a determinant by Laplace method? Any short trick?

  • @sanjeetvlogs6766
    @sanjeetvlogs6766 3 года назад

    Best trick sir

  • @AnjaliSingh-to9gv
    @AnjaliSingh-to9gv 3 года назад

    Sir apke pas partial differential equations ke MCQ questions ka vedio h kya upload kr dejiye plz sir

  • @shreyamishra0173
    @shreyamishra0173 2 года назад

    Thanks sir 👍👍🙏🙏

  • @missgranger0048
    @missgranger0048 3 года назад

    Det M=4,,,,,, awesome trick sir🤗🤗

  • @imsk9932
    @imsk9932 2 года назад +1

    Thank u sir love 🤬🥰❤❤❤❤ u❤❤🥰❤

  • @mdvolgr6049
    @mdvolgr6049 3 года назад

    it is easy sr😊

  • @devshivgamer4517
    @devshivgamer4517 2 года назад

    4, with in 10sec , tq so much sir 🙏🙏

  • @pankajmeena6756
    @pankajmeena6756 2 года назад +1

    Short tricks to koi sir se seekho 🌹thanks you sir

  • @SamiRuMath
    @SamiRuMath 3 года назад

    Sir due to financial crisis may distance mode may Msc karna chahti hu after that am I eligible for GATE, Net jrf, tifr for phd ,,,reply dijiye sir ji please 🙏🙏🙏🙏🙏