Question

If the matrix $A=\begin{bmatrix} 5&4a+6\\\a+12&a+3 \end{bmatrix}$is a symmetric matrix, then the value of a is:

• A. 2
• B. 5
• C. -2
• D. 3

Answer 1

Answer: (A)

2

Answer 2

The correct option is (A): 2