JEE Main 2022 · MathsMultiple choiceSingle correctEasyCalculation

JEE Main 28 June 2022, Shift 2, Maths Q15

Question 15 of 90 in this shift, Maths question 15 of 30, Section A.

If vertex of a parabola is

(2, -1)

and the equation of its directrix is

4x-3y=21

, then the length of its latus rectum is :

(1)2
(2)8Official answer
(3)12
(4)16

Official answer

Option 2

NTA final key.

Chapter: Conic Sections
Topic: General Conic Section
Idea tested: Latus Rectum of a General Parabola

Same topic in other shifts

All General Conic Section questions

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Question text from the official JEE Main paper published by NTA; answer from the final answer key. Chapter, topic and idea tags, difficulty and skill are Lumi’s. Lumi analyses 108 of the 174 JEE Main shifts held from 2017 to 2026.