| ll x & 15 4 & 4 |=0 x= - Vidyadip

MCQ

$\left|\begin{array}{ll}x & 15 \\ 4 & 4\end{array}\right|=0 \Rightarrow x=$

✓
15
B
-15
C
12
D
60

✓

Answer

Correct option: A.

15

A

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