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Let P""=""(-1,""0),""Q""=""(0,""0)""a...

Let `P""=""(-1,""0),""Q""=""(0,""0)""a n d""R""=(3,""3sqrt(3))` be three points. The equation of the bisector of the angle PQR (1) `sqrt(3)x+y=0` (2) `x+(sqrt(3))/2y=0` (3) `(sqrt(3))/2x+y=0` (4) `x+sqrt(3)y=0`

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