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In this lesson we discuss Adjoint of Matrix with important properties with suitable examples and explanations.

## Tushar Singhal is teaching live on Unacademy Plus

Tushar Singhal
B.Tech l NDA cleared 3 Times I youtuber I More than 200+selection in NDA, AIRFORCE, NAVY

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In the practice question given, all 3 statements are correct?? One request Jatin sir, please try to limit the DNAs to 2 parts(3 parts if number of important articles are more). For those who read the newspaper and follow your lessons for additional info, it takes too long to listen to 3-4 lessons on a daily basis
1. a n A. Then, Uhe called the a12 13 a a32 a33 3i C 32 C33 v, C23 C33 a1 23 32 1 ee, C1 q 22 333a z 23

2. O 2- 1 -3 5 bolution Lit A 1 -3 [ 2t3-odd.) Hence, cafactor o 10 NOTE intenchanqing the diagomal clements and diagonal aluneits

3. Ql the Solution: c bi thu matux of co in IAI,then 2 3 2. 4 I 2 2 4 5 O I 2 12 O 1 -15 2 6 O 3O 10 O 5 15 O 5

4. Matuic i.e., the product at a matunc aund i adjaivt communitative A is a sauase mattix o order n,then matzuiz al osdern, then 6 S A bea square matuix o oder n and R is a scalar ,then (Adj A")=C.ocy A)'. A V

5. 3 such tet B is the adjoint % A And t is aasa lak ,then dlia 0 0 ab 1-1 1 , . IAI. (-1) (1-1)-(I) (-1-1)+0)G+1)-

6. .unen.. dingilak 3 1,3 A)) 1-1 (I*), C3-1 (N) 1.ad (add(od 2 - 129 xH11664 16 A

7. 3-34 Saluitionm 3 -34 bu Pe