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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)[[0, 3], [3, 0]]`

B

`(1)/(2)[[0, -3], [-3, -1]]`

C

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

D

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

Text Solution

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The correct Answer is:
A
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