Question

Let $A=\left[\begin{array}{cc}3& 4\\ 1& -2\end{array}\right]$ and let $AB=\left[\begin{array}{cc}-5& 41\\ 5& -13\end{array}\right]$. Then $B^T\mid =$

• A. $\frac{1}{14}$
• B. 14
• C. 10
• D. $-10$
• E. -14

Answer 1

Answer: (B)

Correct answer is (b) 14