Q.
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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a
32x+y=0
b
x+3y=0
c
3x+y=0
d
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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