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

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

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

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

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

If A=[3112], show that A^(2)-5A+7I=0 Hence find A^(-1) .

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

If A=[{:(3,1),(-1,2):}] , show that A^(2)-5A+7I=O . Hence, find A^(-1) .

If A=[31-12], show that A^(2)-5A+7I=O. Hence,find A^(-1)

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

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