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" 5.If "A=[[3,1],[-1,2]]," show that "A^...

" 5.If "A=[[3,1],[-1,2]]," show that "A^(2)-5A+71=0

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If A=[[3,1-1,2]], show that A^(2)-5A+7I=0

If A=[[3, 1],[-1, 2]] , show that A^2-5A+7I=0

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if A=[{:(3,1),(-1,2):}], show that A^(2)-5A+7I=0.

If A = [[3,1],[-1,2]] ,show that A^2-5A + 7I=0 Hence, find A^(-1)

If A = [[3,1],[-1,2]] then show that: A^2-5A+7I = 0 .