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If A and B are two invertible matrices o...

If A and B are two invertible matrices of the same order, then adj (AB) is equal to

A

adj (B) adj (A)

B

`|B||A|B^(-1) A^(-1)`

C

`|B||A|A^(-1) B^(-1)`

D

`|A||B|(AB)^(-1)`

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CENGAGE-MATRICES-Exercise (Multiple)
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  3. If A=[{:(1,0,0),(1,0,1),(0,1,0):}], then

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  4. If Ais symmetric and B is skew-symmetric matrix, then which of the fol...

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  8. If [(1,-tan theta),(tan theta,1)][(1,tan theta),(-tan theta,1)]^(-1)=[...

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  9. If A^(-1)=[(1,-1,2),(0,3,1),(0,0,-1//3)], then

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  10. If A is an invertible matrix, tehn (a d jdotA)^(-1) is equal to a d jd...

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  11. If A and B are two invertible matrices of the same order, then adj (AB...

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  12. If A, B, and C are three square matrices of the same order, then AB=AC...

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  13. If A and B are two non singular matrices and both are symmetric and co...

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  14. If A and B are square matrices of order 3 such that A^(3)=8 B^(3)=8I a...

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  15. Let A, B be two matrices different from identify matrix such that AB=B...

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  16. Let A and B be square matrices of the same order such that A^(2)=I and...

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  17. Let B is an invertible square matrix and B is the adjoint of matrix A ...

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  18. First row of a matrix A is [1,3,2]. If adj A=[(-2,4,alpha),(-1,2,1),...

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  19. Let A be a square matrix of order 3 satisfies the relation A^(3)-6A^(2...

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  20. Which of the following matericeshave eigen values as 1 and -1 ?

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