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QJEEM21Ma072f: JEE Main 2021 Mathematics - Class 11 JEEM21Ma072f Solution: The length of the latus rectum of a parabola, whose vertex and…

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

Multiple Choice Options

  • A 4(S + R)
  • B 2(S − R)
  • C 4(S − R)
  • D 2(S + R)

Step-by-Step Verified Solution

JEE Main 2021 (Online) 31st August Morning Shift Mathematics - Parabola Question 67 English Explanation

V → Vertex

F → focus

VF = S − R

So, latus rectum = 4(S − R)

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