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

[" 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

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^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) .

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

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

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

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