JEE Math Practice Question
If $$P = \left[ {\begin{matrix} 1 & \alpha & 3 \\ 1 & 3 & 3 \\ 2 & 4 & 4 \\ \end{matrix} } \right]$$ is the adjoint of a $$3 \times 3$$ matrix $$A$$ and $$\left| A \right| = 4,$$ then $$\alpha $$ is equal to :
- A.$$4$$
- B.$$11$$
- C.$$5$$
- D.$$0$$
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