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A square matrix P satisfies P^(2)=I-P wh...

A square matrix `P` satisfies `P^(2)=I-P` where `I` is identity matrix. If `P^(n)=5I-8P`, then `n` is

A

4

B

5

C

6

D

7

Text Solution

Verified by Experts

The correct Answer is:
C
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