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The length of the latus rectum of parabola, whose vertex and focus are on the positive x -axis at a distance R and S ( S…

Q1

The length of the latus rectum of parabola, whose vertex and focus are on the positive x-axis at a distance R and S (S > R) respectively from the origin, is:

[JEE Main 2021, 31 Aug (Shift 1)]

a

4(S + R)

b

2(S + R)

c

2(SR)

d

4(SR)

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