Question Id : 16067 |
Context : JEE Main 2016 (9 April Morning Shift)
If $P = \begin{bmatrix} \dfrac{\sqrt{3}}{2} & \dfrac{1}{2} \\ -\dfrac{1}{2} & \dfrac{\sqrt{3}}{2} \end{bmatrix}$
and $A = \begin{bmatrix} 1 & 1 \\ 0 & 1 \end{bmatrix}$, $Q = P A P^{T}$, then $P^{T} Q^{2015} P$ is:
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