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MathsJEE Main 5 Apr 2026, Shift 1·Q15·MCQ·Easy–moderate

3D Geometry · Intersection of two lines

The square of the distance of the point of intersection of the lines r⃗=(i^+j^−k^)+λ(ai^−j^)\vec r = \left(\hat i + \hat j - \hat k\right) + \lambda(a\hat i - \hat j), a≠0a \neq 0 and r⃗=(4i^−k^)+μ(2i^+ak^)\vec r = \left(4\hat i - \hat k\right) + \mu(2\hat i + a\hat k) from the origin is:
  1. (1)5
  2. (2)10
  3. (3)17
  4. (4)26

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