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JEE MAINS Previous Years (in Hindi)
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In this lesson we discuss JEE MAINS Previous years good Questions.

Tushar Singhal is teaching live on Unacademy Plus

Tushar Singhal
B.Tech l NDA Mentor l You tube channel with Maths Short TRICKS I more than 120+selection in NDA, AIRFORCE, NAVY

U
Unacademy user
mam can you explain in Hindi mam
Yes I will try to.
did no get last step of 7th question
Tushar Singhal
a year ago
its simple property
  1. JEE MAINS the only Correct statement - abou 0 -1 0 the matrix -A s *) A- )I , whete I s a vnirl matr, The g.ven matin ,sh-Te0-1 17/ is clear that A is not a zero matu.. 01 0


  2. 0-1 2 - o 00 3


  3. and loB=/y 2 2 -50 invutse b) C 2 2 Sinte 8 is -the inveise A,k, b A-1, 1-23 1-2 3 2 1 -2 3 3


  4. lo o CO ATFef 2005) 9, 9! A*- A+I O, then the verse 8) A elhVeie c A T d I-A a.) A+T both ide , we et


  5. Azeee aod) a) 2 5 5


  6. mal rices wth 3X 3 non - Sin entriesas 1 ond all other ertrics as AIeef 201o1 a) at east 7 b) less than C) 5 - b, b bs C 23 any othe terms is hoh-2cro, then clet.lA) uell be hon- -2ero and all the elements a thet term which ony ohe Can be udi y. Hence number hosinoular matrices Mo. O/ Choo sh


  7. theadjoint o/ s*3 mahik A and 3x3 matei 2 4 9 Tee i 2013 equal -lo.. )Al= , .the b) a) o sGiven Pis adjoint IS 2 given


  8. 3x3 non-singular mat sueh that AN= A'A and B: Al A', then 881 e2v (Je main 2o1y) A 11 22 atri Satis in /he a 2b then the ara,b csval (Tee mon 20)s)


  9. 1 2 a 1122 2 1-211212| 2. 2 1 O O 2