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The locus of the points which are equidi...

The locus of the points which are equidistant from `(-a, 0)` and `x=a`

A

`y^(2)=4 a x`

B

`y^(2)=-4 a x`

C

`x^(2)+4 a y=0`

D

`x^(2)-4 a y=0`

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The correct Answer is:
B
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