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Saturday, 31 October

JEE Main 2023 · MathsMultiple choiceSingle correctMediumMulti-step

JEE Main 10 April 2023, Shift 1, Maths Q14

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

Let P be the point of intersection of the line x+33=y+21=1−z2\frac{x+3}{3}=\frac{y+2}{1}=\frac{1-z}{2} and the plane x+y+z=2x+y+z=2. If the distance of the point P from the plane 3x−4y+12z=323x-4y+12z=32 is qq, then qq and 2q2q are the roots of the equation
  1. (1)x2+18x+72=0x^2+18x+72=0
  2. (2)x2−18x−72=0x^2-18x-72=0
  3. (3)x2+18x−72=0x^2+18x-72=0
  4. (4)x2−18x+72=0x^2-18x+72=0Official answer

Official answer

Option 4

NTA final key.