The vector OA where O is origin is given byOA=2i+2. Now it is rotated by 45^° clockwise aboutO. What willbe the new vector?2j(1) 22(2)2/2i(4)

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Q. The vector

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- - \to O A = 2^i + 2^j

. Now it is rotated by

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[Kerala (Engg.) 2005]

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