If , , and , find…

MATHEMATICS · Single correct · CBSE · Mathematics · Matrices · Matrices

Problem

If A=[1201]A=\begin{bmatrix}1&2\\0&1\end{bmatrix}, P=[cos⁡θsin⁡θ−sin⁡θcos⁡θ]P=\begin{bmatrix}\cos\theta&\sin\theta\\-\sin\theta&\cos\theta\end{bmatrix}, and Q=PTAPQ=P^TAP, find PQ2014PTPQ^{2014}P^T: (a) [12201401]\begin{bmatrix}1&2^{2014}\\0&1\end{bmatrix} (b) [1402801]\begin{bmatrix}1&4028\\0&1\end{bmatrix} (c) (PT)2013A2014P2013(P^T)^{2013}A^{2014}P^{2013} (d) PTA2014PP^TA^{2014}P

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