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" Q.3.If "A=[[3,1],[-1,2]]" ,Show that "...

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

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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

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

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

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

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

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