MCQ
If $\text{A} = \displaystyle \left[ \begin{matrix} 1 &\text{amp ; 2} \\ 3&\text{amp; 4} \end{matrix} \right],$ then number of elements in $A$ are :
- ✓$4$
- B$3$
- C$2$
- DNone of these
✓
Answer
Correct option: A.
$4$
Since, given matrix $A$ is of order $2\times2 = 4$
$\therefore$ Number of elements in $\text{A} = 4$
$\therefore$ Number of elements in $\text{A} = 4$
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