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

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1.	Let `Q=({:(cos""pi/4,-sin""pi/4),(sin""pi/4, cos""pi/4):})` and `X=({:(1/sqrt(2)),(1/sqrt(2)):})` then `Q^(3)X` is equal toA. `({:(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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