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A square matrix equal to its own transpose is called:
ASkew type
BDiagonal
CScalar type
DSymmetric
Answer & Solution
Correct answer: D. Symmetric
1. Taking the transpose leaves such a matrix unchanged.
2. Entry ij equals entry ji throughout.
3. Such a matrix is symmetric.
_Source: NCERT Class 12 Mathematics Part I, Chapter 3, Matrices._
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