Let, `P=({:(cos""pi/4, -sin""pi/4),(sin""pi/4, cos""pi/4):}) " and " x – InterviewSolution

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1.	Let, `P=({:(cos""pi/4, -sin""pi/4),(sin""pi/4, cos""pi/4):}) " and " x=({:(1/sqrt(2)),(1/sqrt(2)):})`. Then `P^(3)X` is equal to-A. `({:(0),(1):})`B. `({:(-1/sqrt(2)),(1/sqrt(2)):})`C. `({:(-1),(0):})`D. `({:(-1/sqrt(2)),(-1/sqrt(2)):})`
Answer» Correct Answer - C

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