If A 3-0- then I - A - A 2 equalsA- I -AB- none of these C- I - A -1D- I - A -1

The correct option is C (I A)^ 1A^3=0 (I+A+A^2)(I A)=I A^3=1 ∴ I+A+A^2=(I A)^ 1 ...

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Inverse of a matrix

If A 3=0, the...

Question

If $A^{3} = 0$ , then $I + A + A^{2}$ equals

I - A

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(I - A)^{- 1}

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(I + A)^{- 1}

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n o n e o f t h e s e

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Solution

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