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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.`

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

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

If =[31-12], show that A^(2)-5A+7I_(2)=O

If A=[31-12], show that A^(2)-5A+7I_(2)=O

If A=[(5,3),(12,7)] , show that A^(2)-12A-I=0 . Hence find A^(-1) .

If A=[(4,2),(-1,1)] , show that (A-2 I) A-3 I) =0

If A=[(2,-1,1),(-1,2,-1),(1,-1,2)] show that A^(2)-5A+4I=0 Hence find A^(-1)

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

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

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

CBSE MODEL PAPER-SAMPLE QUESTION PAPER ( MATHEMATICS )-QUESTION
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  2. If a is a square matrix of order 3 such that A^2 = 2A then fin...

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

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