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Question

Equation of a line through the origin and perpendicular to the line joining (a, 0) and (-a, 0), is


Correct Answer
A
y = 0
Your Answer
B
x = 0
Your Answer
C
x = –a
Your Answer
D
y = ­–a

Solution

The correct option is A y = 0
The general equation of the line passing through the origin is given by y=mx.
It also passes through the midpoint of (a,0) and (-a,0) which is (0,0).
So the equation of the required line is y=0.

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