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If A = [(2,3),(1,-2)] and A^(-1) = alpha...

If `A = [(2,3),(1,-2)] and A^(-1) = alpha A , ` then the value of `alpha ` is :

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HIMALAYA PUBLICATION-MATRICES AND DETERMINANTS-QUESTION BANK
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  3. If A = [(2,3),(1,-2)] and A^(-1) = alpha A , then the value of alpha...

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  4. For a square matrix A and a non singular matrix B of the same order ,...

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  5. If A and B are two square matrices of the same order such that AB=B an...

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  9. If the matrix A=[[8,-6,2],[-6,7,-4],[2,-4,lambda]] is singular, then l...

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  10. If A= [[3,-3,4],[2,-3,4],[0,-1,1]]then

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  18. If A=[[-1,2,1],[1,-1,2],[2,1,1]], then det(a d j(adj A))=

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