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Matrices
RS Aggarwal
CBSE
Grade 12

Question:

For any square matrix $A$, $A - A'$ is always a:
(a) Skew-symmetric matrix
(b) Symmetric matrix
(c) Unit matrix
(d) Zero matrix

Step-by-Step Solution

Key Concept: (A - A')' = -(A - A').
The detailed step-by-step mathematical proof is available inside the Mathbee app workspace.
Correct Answer: Skew-symmetric matrix
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