1.If for the matrix A=(1−ααβ)A = \begin{pmatrix} 1 & -\alpha \\ \alpha & \beta \end{pmatrix}A=(1α−αβ), AAT=I2AA^{T} = I_{2}AAT=I2, then the value of α4+β4\alpha^{4} + \beta^{4}α4+β4 is:a.333b.111c.222d.444Login to continueOnly logged in users canattempt or see the solution.
