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Home / Doubts and Solutions/JEE/Mathematics

A vector a has components 2p and 1 with respect to a rectangular Cartesian system. This system is rotated through a certain angle about the origin in the counter
clockwise sense. If, with respect to the new system, vector a has components p+1 and l, then p=?
 

Asked by saket 12th April 2018, 11:29 AM
Answered by Expert
Answer:
(2p,1)=2pi+j
(p+1,1)=(p+1)i+j
Both the vectors will have same magnitude
Equate
Answered by Expert 16th April 2018, 9:42 AM
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