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The equation of a diameter of the circle...

The equation of a diameter of the circle `x^2 + y^2 = 2ay` that is perpendicular to the straight line x + 2y = 4 is :

A

2x - y +a = 0

B

x + 2y - a=0

C

2x - 2y + a = 0

D

None of these.

Text Solution

Verified by Experts

The correct Answer is:
A
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