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Friday, 9 October

JEE Main 2024 · MathsMultiple choiceSingle correctMediumMulti-step

JEE Main 9 April 2024, Shift 1, Maths Q13

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

Let a circle passing through (2,0)(2,0) have its centre at the point (h,k)(h,k). Let (xc,yc)(x_c,y_c) be the point of intersection of the lines 3x+5y=13x+5y=1 and (2+c)x+5c2y=1(2+c)x+5c^2y=1. If h=lim⁡c→1xch=\lim_{c\to1}x_c and k=lim⁡c→1yck=\lim_{c\to1}y_c, then the equation of the circle is :
  1. (1)25x2+25y2−20x+2y−60=025x^2+25y^2-20x+2y-60=0Official answer
  2. (2)25x2+25y2−2x+2y−60=025x^2+25y^2-2x+2y-60=0
  3. (3)5x2+5y2−4x+2y−12=05x^2+5y^2-4x+2y-12=0
  4. (4)5x2+5y2−4x−2y−12=05x^2+5y^2-4x-2y-12=0

Official answer

Option 1

NTA final key.

Topic
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Idea tested
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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 42 of the 174 JEE Main shifts held from 2017 to 2026.