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The answer is 6.

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1 solution

Aniket Sanghi
Feb 23, 2016

From relative motion ...velocity of A w.r.t B will be 8(2^0.5)i - 6(2^0.5)j......consider this point as origin....B (22,-9)...and equation of this relative motion is 3x+4y=0......then perpendicular distance on this line from B is 66-36/5=30/5=6.....

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