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If A is a square matrix, then (1) A A' i...

If A is a square matrix, then (1) `A A'` is symmetric (3) `A'A` is skew - symmetric (2) `A A'` is skew - symmetric (4) `A^2` is symmetric

A

a null matrix

B

an identity matrix

C

a symmetric matrix

D

a skew-symmetric matrix

Text Solution

Verified by Experts

The correct Answer is:
C

A is a square matrix `rArr` (A+A') is symmetric
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