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" वि "A=[[1,2],[3,4]]" तब "...

" वि "A=[[1,2],[3,4]]" तब "

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If A=[[1,2] , [3,4]] then

I: If A=[(1,2),(3,4)] then A^(-1)=[(4,-2),(-3,1)] II: If A=[(3,4),(2,1)] then A^(-1)=1/5[(-1,4),(2,-3)]

Show that A=A^(-1) if A[[-1,2,-2],[4,-3,4],[4,-4,5]] Hence find A^(2) .

Find products : [[1,2],[3,4]][[1,3],[1,4]]

Find A if [[1,0,-1],[-2,-1,4],[-1,0,2]]A = [[-1,-2,2],[3,4,-3],[3,4,-1]]

If A=[{:(1,2),(3,4):}] , then |2A|= .

If A = [(1,2),(3,4)] , then 2A^(-1)=

If A = [(1,2),(3,4)] , then 2A^(-1)=

Find products : [[1,3],[1,4]][[1,2],[3,4]]

If A= [[2,4,-1],[-1,0,2]], B=[[3,4],[-1,2],[2,1]] , Show that (AB)'=B'A' .