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If P=[[1, alpha, 3], [1, 3, 3], [2, 4, 4...

If `P=[[1, alpha, 3], [1, 3, 3], [2, 4, 4]]` is the adjoint of `3times3` matrix A and `|A|=4`, then `alpha=`

A

11

B

5

C

0

D

4

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MCGROW HILL PUBLICATION-MATRICES-Questions from Previous Years. AIEEE /JEE Main Papers
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  11. If A is an 3xx3 non-singular matrix such that A A^T=A^TA and B=A^(-1)A...

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  15. Let A and B be any two 3xx3 matrices . If A is symmetric and B is skew...

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  16. If A=[1 2 2 2 1-2a2b] is a matrix satisfying the equation AA^T=""9I , ...

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  19. If A=[5a-b3 2] and A adj A=AA^T , then 5a+b is equal to: (1) -1 (2) ...

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