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Assume X, Y, Z, W and P are matrices of ...

Assume X, Y, Z, W and P are matrices of order `2xxn, 3xxk, 2xxp, nxx3 and pxxk` respectively.If n = p, then the order of the matrix `7X – 5Z`is:

A

`pxx2`

B

`2xxn`

C

`nxx3`

D

`pxxn`

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MODERN PUBLICATION-MATRICES-EXERCISE
  1. The number of all possible matrices of order 3xx3 with each entry 0 or...

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  2. Assume X, Y, Z, W and P are matrices of order 2xxn, 3xxk, 2xxp, nxx3 a...

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  3. Assume X, Y, Z, W and P are matrices of order 2xxn, 3xxk, 2xxp, nxx3 ...

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  4. If A, B are symmetric matrices of same order, then AB - BA is a :

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  5. If A=[(cosalpha,-sinalpha),(sinalpha,cosalpha)], then A+A'=1, if the v...

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  6. Matrices A and B will be inverse of each other only if a. AB = BA ...

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  7. If A=[(alpha,beta),(gamma,-alpha)] is such that A^(2)=I, then a. 1 ...

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  8. If the matrix A is both symmetric and skew symmetric, then a. A is d...

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  9. If A is square matrix such that A^2 = A,then (I+A)^3-7A is equal to:

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  10. The matrix {:[(0,0,5),(0,5,0),(5,0,0)] is a scalar matrix. State true ...

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

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

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

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

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

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

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

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

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

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

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