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If A!=A^(2)=I then |I+A|=...

If `A!=A^(2)=I` then `|I+A|=`

A

1

B

`-1`

C

0

D

2

Text Solution

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The correct Answer is:
C
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AAKASH SERIES-MATRICES -INVERSE OF A MATRIX- EXERCISE - II
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  5. If A!=A^(2)=I then |I+A|=

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  6. If A is a 3xx3 matrix and B is its Adjoint matrix. If the determinent ...

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  7. If A is 4xx4 matrix and |2A|=64,B="Adj A" then |"Adj B"|=

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  8. If A!=I is an idempotent matrix, then A is a

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  9. If A is an orthogonal matrix then |A| is

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  14. Let A be 2xx2 matrix. Statement : adj(adjA)=A Statement -2: |adjA|=|A|

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