Let P = (–1, 0), Q= (0, 0) and R=(3, 33) be three points. Then the equation of the bisector of the angle PQR in

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32x+y=0

x+3y=0

3x+y=0

x+32y=0

answer is C.

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Detailed Solution

Slope of RQ=333=3∴tanθ=3=60o∴∠PQR=120oBisector QS has 60° angle with RQSlope of QS tan 1200=-3

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