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If A=[a(ij)](2*2) where a(ij)={i+j , i!=...

If `A=[a_(ij)]_(2*2)` where `a_(ij)={i+j , i!=j` and `a_(ij)=i^2-2j ,i=j` then `A^-1` is equal to a)`(1)/(9)[(4,1),(-1,2)]` b)`(1)/(9)[(0,-3),(-3,-1)]` c)`(1)/(9)[(0,3),(3,1)]` d)None of these

A

`(1)/(9)[(4,1),(-1,2)]`

B

`(1)/(9)[(0,-3),(-3,-1)]`

C

`(1)/(9)[(0,3),(3,1)]`

D

None of these

Text Solution

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The correct Answer is:
c
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