Published by:
CGP EDU Academic Team
Published on: August 14, 2026
Let P = (–1, 0) Q = (0, 0) and R = 
be three points. The equation of the bisector of the ∠ PQR is
A
x + y = 0
B
x + 
y = 0
y = 0
C
x + y = 0
D
x + 
y = 0
y = 0
Text Solution
Verified by ExpertsThe correct answer is:
A
The line segment QR makes an angle 60º with the positive direction of x-axis.
hence bisector of angle PQR will make 120º with +ve direction of x-axis.
Its equation
y – 0 = tan120º (x – 0)
y = – 
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