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Friday, 9 October

JEE Main 2023 · MathsMultiple choiceSingle correctMediumCalculation

JEE Main 11 April 2023, Shift 1, Maths Q2

Question 2 of 90 in this shift, Maths question 2 of 30, Section A.

Let (α,β,γ)(\alpha, \beta, \gamma) be the image of the point P(2,3,5)P(2, 3, 5) in the plane 2x+y−3z=62x + y - 3z = 6. Then α+β+γ\alpha + \beta + \gamma is equal to
  1. (1)12
  2. (2)10Official answer
  3. (3)9
  4. (4)5

Official answer

Option 2

NTA final key.

Chapter
Three Dimensional Geometry
Topic
Planes in 3D
Idea tested
Image of a Point in a Plane

Same idea in other shifts

Asked 2× in all
  1. 6 Apr 2023, Shift 1 · Q30Let the image of the point (1,2,3)(1,2,3) in the plane 2x−y+z=92x-y+z=9 be Q. If the coordinates of the point R are (6,10,7)(6,10,7), then the square of…MediumNumerical value

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.