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Saturday, 31 October

JEE Main 2024 · MathsMultiple choiceSingle correctMediumCalculation

JEE Main 30 January 2024, Shift 1, Maths Q13

Question 13 of 90 in this shift, Maths question 13 of 30, Section A.

A line passing through the point A(9,0)A(9,0) makes an angle of 30∘30^\circ with the positive direction of xx-axis. If this line is rotated about AA through an angle of 15∘15^\circ in the clockwise direction, then its equation in the new position is :
  1. (1)y3−2+x=9\frac{y}{\sqrt{3}-2}+x=9Official answer
  2. (2)x3−2+y=9\frac{x}{\sqrt{3}-2}+y=9
  3. (3)y3+2+x=9\frac{y}{\sqrt{3}+2}+x=9
  4. (4)x3+2+y=9\frac{x}{\sqrt{3}+2}+y=9

Official answer

Option 1

NTA final key.

Topic
No close match in our taxonomy
Idea tested
No close match in our taxonomy

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.