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If A=[[-3, 0], [0,-3]] , find A^4 ....

If `A=[[-3, 0], [0,-3]]` , find `A^4` .

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RD SHARMA ENGLISH-ALGEBRA OF MATRICES-All Questions
  1. If A=[[-1, 0 ,0], [0,-1, 0], [0, 0,-1]] , find A^2 .

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  2. If A=[[-1, 0, 0], [0,-1, 0], [0, 0,-1]] , find A^3 .

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  3. If A=[[-3, 0], [0,-3]] , find A^4 .

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  4. If [[x,2]][[3],[ 4]]=2, find x

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  5. If A=[a(i j)] is a 2xx2 matrix such that a(i j)=i+2j , write A .

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  6. Find a matrix A ,ifA+[[2, 3],[-1, 4]]=[[3,-6],[-3, 8]]

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  7. If A=[a(i j)] is a square matrix such that a(i j)=i^2-j^2 , then wr...

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  8. For any square matrix write whether AA^T is symmetric or skew-symm...

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  9. If A=[a(i j)] is a skew-symmetric matrix, then write the value of s...

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  10. If A=[a(i j)] is a skew-symmetric matrix, then write the value of s...

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  11. If A and B are symmetric matrices, then write the condition for whi...

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  12. If B is a skew-symmetric matrix, write whether the matrix A B\ A^T ...

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  13. If B is a symmetric matrix, write whether the matrix A B\ A^T is sy...

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  14. If A is a skew-symmetric and n in N such that (A^n)^T=lambda\ A^n ...

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  15. If A is a symmetric matrix and n in N , write whether A^n is symme...

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  16. If A is a skew-symmetric matrix and n is an even natural number,...

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  17. If A and B are symmetric matrices of the same order, write whether ...

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  18. Write a square matrix which is both symmetric as well as skew-symme...

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  19. Find the values of x and y , if 2[(1, 3),( 0,x)]+[(y,0),( 1, 2)]=[(5...

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  20. If [(x+3, 4),(y,-4x+y)]=[(5 ,4),( 3 ,9)] , find x and y

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