[Video Solution] Let B=\left[\beginarraylll1 & 3 & α \\ 1 & 2 & 3 \\ α & α & 4\endarray\right]... | ASPIRE STUDY

Let B=\left[\beginarraylll1 & 3 & α \\ 1 & 2 & 3 \\ α & α & 4\endarray\right], α > 2 be the adjoint of a matrix A and |A|=2. Then \left[\beginarraycccα & -2 α & α\endarray\right] B\left[\beginarraycα \\ -2 α \\ α\endarray\right] is equal to : | Watch the step-by-step video solution for this NIMCET PYQ.