If the vertex of a parabola be at origin and directrix be \[x+5=0\], then its latus rectum is [RPET 1991]

If the vertex of a parabola be at origin and directrix be \[x+5=0\], t

1.	If the vertex of a parabola be at origin and directrix be \[x+5=0\], then its latus rectum is [RPET 1991]
A.	5
B.	10
C.	20
D.	40
Answer» D. 40

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If the vertex of a parabola be at origin and directrix be \[x+5=0\], then its latus rectum is [RPET 1991]

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