If ( 2 , 0 ) is the vertex and y -axis the directrix of a parabola, then its focus is

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If $(2,0)$ is the vertex and $y$-axis the directrix of a parabola, then its focus is

MathematicsParabolaJEE Main

Options:

A $(2,0)$
B $(-2,0)$
C $(4,0)$
D $(-4,0)$

Solution:

1029 Upvotes Verified Answer

The correct answer is: $(4,0)$

Vertex $=(2,0) \Rightarrow$ focus is $(2+2,0)=(4,0)$

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