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Saturday, 31 October

JEE Main 2022 · MathsMultiple choiceSingle correctHardMulti-step

JEE Main 29 June 2022, Shift 2, Maths Q14

Question 14 of 90 in this shift, Maths question 14 of 30, Section A.

Let Q be the mirror image of the point P(1, 2, 1) with respect to the plane x+2y+2z=16x + 2y + 2z = 16. Let T be a plane passing through the point Q and contains the line r⃗=−k^+λ(i^+j^+2k^)\vec{r} = -\hat{k} + \lambda\left(\hat{i} + \hat{j} + 2\hat{k}\right), λ∈R\lambda \in \mathbb{R}. Then, which of the following points lies on T?
  1. (1)(2,1,0)(2, 1, 0)
  2. (2)(1,2,1)(1, 2, 1)Official answer
  3. (3)(1,2,2)(1, 2, 2)
  4. (4)(1,3,2)(1, 3, 2)

Official answer

Option 2

NTA final key.