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Find products : `[[1,0],[0,k]][[a,b],[c,d]]`

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`[[1,0],[0,k]][[a,b],[c,d]]`
`=[[1.a+0.c" "1.b+0.d],[0.a+k.c" "0.b+kd]]=[[a,b],[kc,kd]]`
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MBD PUBLICATION-MATRICES-QUESTION BANK
  1. Find products : [[0,k],[1,0]][[a,b],[c,d]]

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  2. Find products : [[a,b],[c,d]][[0,1],[1,0]]

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  3. Find products : [[1,0],[0,k]][[a,b],[c,d]]

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  4. Find products : [[1,2,3],[4,5,6],[7,8,9]][[0,0,0],[0,0,0],[0,0,0]]

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  5. Write true or false in the following case: The sum of a 3xx4 matrix wi...

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  6. Write true or false in the following case: k[0] = 0, k in R.

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  7. Write true or false in the following case: A-B = B -A if one of A and ...

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  8. Write true or false in the following case: A+B = B+A, if A and B are m...

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  9. Write true or false in the following case: [[1,0],[-2,0]]=0

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  10. Write true or false in the following case: [[3,1],[6,2]]=3[[1,1],[2,2]...

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  11. Write true or false in the following case: With five elements a matrix...

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  12. Write true or false in the following case: The unit matrix is its own ...

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  13. If A=[[2,4],[3,13]]"and I"=[[1,0],[0,1]]"find" A-alpha I,alpha in R.

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  14. Find x and y : [[x,-2y],[0,-2]]=[[1,-8],[0,-2]]

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  15. Find x and y : [[x +3],[2 - y]]=[[1],[-3]]

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  16. Find x and y : [[2x-y],[x+y]]=[[3],[-9]]

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  17. Find x and y : [[x],[y]]+[[3],[4]]=[[2],[-1]]

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  18. Find x and y : [[2x,-y]]+[[y,3x]]=5[[1,0]]

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  19. The element of ith row and jth column of the following matrix is I +j....

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  20. Write down the matrix [[a11,a12,a13],[a21,a22,a23]]"if"a(ij)=2i+3j

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