If A = [ 1 &amp ; 2 3& 4 ], then number of elements in A are: - Vidyadip

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
D
None of these

✓

Answer

Correct option: A.

4

Since, given matrix A is of order $2\times2 = 4\therefore$ Number of elements in $\text{A} = 4$

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