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Math Chapter Wise question with answer

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Question #46,838
Math Chapter Wise Operations On Vectors English MCQ UKPSC Lecturer (Mains) 2020

Q.A two dimensional vector a has its components 2p and 1 with respect to a rectangular cartesian system. This system is rotated through a certain angle about the origin in anti-clockwise direction. If, with respect to new system, a has components p + 1 and 1 then

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