Question

The value of $\left|\begin{array}{ccc}43& 1& 6\\ 35& 7& 4\\ 17& 3& 2\end{array}\right|$ is

• A. 150
• B. 0
• C. $-110$
• D. $-6$

Answer 1

Answer: (B)

$\left|\begin{array}{ccc}43& 1& 6\\ 35& 7& 4\\ 17& 3& 2\end{array}\right|$
$=43(14-12)-1(70-68)+6(105-119)$
$=43\times 2-1\times 2+6\times -14$
$=86-2-84=0$