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If M is a 3xx3 matrix, where det M=1a n ...

If `M` is a `3xx3` matrix, where det `M=1a n dM M^T=1,w h e r eI` is an identity matrix, prove theat det `(M-I)=0.`

A

`-1`

B

0

C

1

D

none of these

Text Solution

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The correct Answer is:
B
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