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Maths-

General

Easy

Question

Let A be a square matrix. Then which of the following is not a symmetric matrix -

A + $A^{'}$
A $A^{'}$
$A^{'}$ A
A – $A^{'}$

The correct answer is: A $A to the power of straight prime$

we are asked to find which of the given options is not a symmetric matrix
A is a square matrix (A - A')'
= A' - (A')'
=A' - A
hence it is not a symmetric matrix

Therefore we find that A -A' is not a symmetric matrix

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