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" d) "[[3,-1,1],[-15,6,-5],[5,-2,2]]...

" d) "[[3,-1,1],[-15,6,-5],[5,-2,2]]

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If A^-1 = [[3,-1,1],[-15,6,-5],[5,-2,2]] and B = [[1,2,-2],[-1,3,0],[0,-2,1]] , find (AB)^-1 .

If A^-1 = [[3,-1,1],[-15,6,-5],[5,-2,2]] and B = [[1,2,-2],[-1,3,0],[0,-2,1]] find (AB)^-1 ।

Obtain the inverse of the following matrix using elementary operations A=[[3,-1,1],[-15,6,-5],[5,-2,2]]

If A^(-1)=[[3,-1,1],[-15,6,-5],[5,-2,2]] and B=[[1,2,-2],[-1,3,0],[0,-2,1]] find (AB)^-1

If A^(-1) =[(3,-1,1),(-15,6,-5),(5,-2,2)] and B = [(1,2,-2), (-1,3,0), (0,-2,1)] find (AB)^(-1)

If A^(-1) =[(3,-1,1),(-15,6,-5),(5,-2,2)] and B = [(1,2,-2), (-1,3,0), (0,-2,1)] find (AB)^(-1)

Find the rank of the matrix [(3,-1,1),(-15,6,-5),(5,-2,2)]