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Let P=(("cos"(pi)/(4),-"sin"(pi)/(4)),("...

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))))`

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WB JEE PREVIOUS YEAR PAPER-QUESTION PAPER 2013-MULTIPLE CHOICE QUESTIONS
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