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If A and B are invertible matrices , the...

If A and B are invertible matrices , then:

A

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

B

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

C

`(AB)^-1 = (BA)^-1`

D

None of these

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MODERN PUBLICATION-MATRICES-EXERCISE
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  2. If A,B symmetric matrices of the same order. Then AB-BA is a a. Ske...

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  3. If A and B are invertible matrices , then:

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  4. If A is a non-singular matrix of ordern, then |adj A| is equal to

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  11. Show that a matrix, which is both symmetric and skew symmetric, is a z...

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  12. If A be a matrix of order 3xx4, then elements of A, are

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  13. A 2xx2 matrix A = [a(ij)], where a(ij) = (i+j)^2 is

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  14. If AB=C, where B and C are matrices of orders 6xx5, then the order of ...

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  16. If A = {:[(cosalpha, -sinalpha),(sinalpha, cosalpha)], then A + A' = I...

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  17. If A is matrix of 4 xx 3 then each column of A contains

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  18. If matrix A is of order 4 xx 3, then each row of matrix A contains ele...

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  19. If A is matrix of a order 2 xx 3 and B is a matrix of order 3 xx 2, t...

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  20. If A is a matrix of order 3 xx 4, then each column of matrix A contain...

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