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If A=[{:(2,3,-1),(1,4,2):}] and B=[{:(2,...

If `A=[{:(2,3,-1),(1,4,2):}]` and `B=[{:(2,3),(4,5),(2,1):}]` , then AB and BA are defined and equal .

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PRADEEP PUBLICATION-MATRICES-EXERCISE
  1. True or False statements : if A and B are square matrices of the sam...

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  2. True or False statements : Matrices of different types cannot be sub...

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  3. If A=[{:(2,3,-1),(1,4,2):}] and B=[{:(2,3),(4,5),(2,1):}] , then AB an...

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

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  5. Prove that any square matrix can be expressed as sum of symmetric and...

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  6. True or False statements : Every diagonal entry of a skew-symmetric ...

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  7. Match the following

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  8. Let A be a 5 xx 7 matrix, then each column of A contains

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

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  10. The numner of all possible matrices of order 2 xx 3 with each entry 0 ...

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  11. The matrix A = [(0,0,6),(0,6,0),(6,0,0)] is a

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

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  13. If [(2x+y, 4x),(5x-7, 4x)] = [(7,7y-13),(y,x+6)], then the values of x...

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  14. If lambda in R, then lambdaI2 is the matrix

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

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  16. If P is of order 2xx3 and Q is of order 3 xx 2, then PQ is of order

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  17. If A and B are square matrices of the same order, then (A+B) (A-B) is ...

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  18. If A=[{:(2,-1,3),(-4,5,1):}] and B=[{:(2,3),(4,-2),(1,5):}] , then

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  19. If A is any m xx n matrix, then A^2 can be found only when

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  20. If A=[{:(0,1),(1,0):}] then A^(2) is equal to

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