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Friday, 9 October

JEE Main 2022 · MathsMultiple choiceSingle correctMediumApplication

JEE Main 28 July 2022, Shift 1, Maths Q12

Question 12 of 90 in this shift, Maths question 12 of 30, Section A.

Let C be the centre of the circle x2+y2−x+2y=114x^2+y^2-x+2y=\frac{11}{4} and P be a point on the circle. A line passes through the point C, makes an angle of π4\frac{\pi}{4} with the line CP and intersects the circle at the points Q and R. Then the area of the triangle PQR (in unit2^2) is :
  1. (1)22
  2. (2)222\sqrt{2}Official answer
  3. (3)8sin⁡(π8)8\sin\left(\frac{\pi}{8}\right)
  4. (4)8cos⁡(π8)8\cos\left(\frac{\pi}{8}\right)

Official answer

Option 2

NTA final key (2022 Session 2).

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