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Matrices — Maths STD 12 Science — Question

Gujarat BoardEnglish MediumSTD 12 ScienceMathsMatrices1 Mark
MCQ
A matrix having $mm$ rows and $nn$ columns with $m = n$ is said to be a?
  • A
    rectangular matrix
  • ✓
    square matrix
  • C
    identity matrix
  • D
    scalar matrix
✓

Answer

Correct option: B.
square matrix
A matrix having $mm$ rows and $nn$ columns with $m = n,$ means number of rows are equal to number of columns.
$\therefore$ given matrix is square matrix.

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