Maximum and minimum magnitudes of the resultant of two vectors of magnitudes P and Q are found to be in the ratio 3 : 1. Which of the following relations is true ?

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P = Q

P = 2Q

P = 4Q

P = Q/3

answer is B.

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Detailed Solution

3P - 3Q = P + Q⇒ 2P = 4Q ⇒ P = 2Q

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