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If A^(k)=0 (null matrix) for some value ...

If `A^(k)=0` (null matrix) for some value of k, then `l+A+A^(2)+…A^(k-1)` is equal to

A

null matrix 0

B

`(l+A) ^(k) `

C

` (t-A)^(-1) `

D

none of these

Text Solution

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The correct Answer is:
C
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