Question

If P= $\begin{bmatrix}1 & α & 3 \\\1 & 3 & 3 \\\2 & 4 & 4\end{bmatrix}$ is the adjoint of a 3 x 3 matrix A and |A| = 4, then α is equal to

• A. 4
• B. 5
• C. 11
• D. 0

Answer 1

Answer: (C)

11

Answer 2

The correct answer is Option (C) : 11