Find the value of x if \(\begin{vmatrix}3 & 4 \\3 & 1 \end{vmatrix}\) = \(\begin{vmatrix}3 & 3 \\5 & x \end{vmatrix}\)
Answer & explanation
Correct answer: option 3
On solving the determinants we get
3-12 = 3x-15
-9 = 3x-15
6 = 3x
x=2
Correct answer: option 3