Practice Introduction to Matrix - Class 12th Hindi Medium Offered by Unacademy

Introduction to Matrix

Which of the following represents a square matrix?

$\left[\begin{array}{ll} 1 & 7 \\ 0 & 3 \\ 4 & 2 \end{array}\right]$

$\left[\begin{array}{ccc} 2 & 5 & 22 \\ 33 & 8 & 0 \end{array}\right]$

$\left[\begin{array}{ccc} 7 & 5 & 8 \\ 3 & 8 & 1 \\ 4 & 9 & 10 \end{array}\right]$

$\left[\begin{array}{llll} 1 & 9 & 2 & 8 \end{array}\right]$