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The number of all possible matrices of...

The number of all possible matrices of order `3xx3` with each entry 0 or 1 is

A

27

B

18

C

81

D

512

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The correct Answer is:
D
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MODERN PUBLICATION-MATRICES-Objective Type Questions (A. Multiple Choice Questions)
  1. If A=[a(ij)](mxxn) is a square matrix, if :

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  2. Which of the given values of x and y make the following pair of matric...

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

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

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  5. If n" "=" "p , then the order of the matrix 7X" "" "5Z is: (A) p xx...

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

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  7. If A=[(cosalpha,-sinalpha),(sinalpha,cosalpha)] then A+A'=I, the value...

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  8. Matrices A and B will be inverse of each other only if (A) A B" "="...

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  9. If A=[alphabetagammaalpha]is such that A^2-I, then(A) 1+alpha^2+betag...

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  10. If a matrix A is both symmetric and skew-symmetric, then A is a dia...

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  11. If A is a square matrix such that A^2=A ,t h e n(I+A)^3-7A is equal to...

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  12. The matrix A=[(0,0,5),(0,5,0),(5,0,0)] is a :

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  13. If matrix A=[a(ij)](2xx2^(,)) where a(ij)=1" if "i!=j =0" if "i=j th...

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  14. If A=1/pi[sin^(-1)(pix)tan^(-1)(x/pi)sin^(-1)(x/pi)cot^(-1)(pix)] and ...

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  15. If A is a matrix of order mxxn and B is a matrix such that A B^T and B...

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

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  17. Suppose P and Q are two different matrices of order 3xx n and n xx p,...

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

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  19. If a matrix A is both symmetric and skew-symmetric, then A is a dia...

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  20. For any square matrix A,(A-A') is :

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