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If A = [(1,0,0),(0,1,1),(0,-2,4)] and a...

If `A = [(1,0,0),(0,1,1),(0,-2,4)] ` and also `A^(-1)=1/6 (A^(2)+cA+dI)` , where I is unit matrix , then the ordered pair (c,d) is :

A

`(-6,11)`

B

`(-11,6)`

C

`(11,6)`

D

`(6,11)`

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The correct Answer is:
A
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