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From any point P on the line x = 2y perp...

From any point P on the line x = 2y perpendicular is drawn on y = x. Let foot of perpendicular is Q. Find the locus of mid point of PQ.

A

5x - 7y = 0

B

2x - 3y = 0

C

3x - 2y = 0

D

7x - 5y = 0

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`A`
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