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If A is a matrix of order mxxn and B is ...

If A is a matrix of order `mxxn` and B is a matix such that AB' and B'A are both defined, then order of matrix B is

A

`mxxm`

B

`nxxn`

C

`nxxm`

D

`mxxn`

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MODERN PUBLICATION-MATRICES-EXERCISE
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  2. The matrix {:[(0,0,5),(0,5,0),(5,0,0)] is a scalar matrix. State true ...

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  3. If A is a matrix of order mxxn and B is a matix such that AB' and B'A ...

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  4. For any two matrices A and B, we have

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  5. If AB = C , where B and C are matrices of orders 3xx5, then the order ...

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  6. If AB = C, where B and C are matrices of order 3 xx 4, then the order ...

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  7. If A,B symmetric matrices of the same order. Then AB-BA is a a. Ske...

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

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

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  10. If 2{:[(x,z),(2,0)]+3[(1,-1),(0,2)]=[(9,15),(4,6)], then the values of...

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  11. If for a square matrix A,AB=BA = I, then inverse of B is

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  12. If A is of order mxxn, B is of order pxxq such that AB is defined, the...

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  13. If A + B = C, where A and B are matrices of order 2 xx 3, then order o...

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  14. The number of all possible matrices of order 3xx3 with each entry 0 o...

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  15. If x[[2],[3]] + y[[-1],[1]] = [[10],[5]] , find the values of x and y.

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

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

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

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

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  20. If D = [a(ij)](mxxn) is a rectangular matrix, then

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