JEE Main · 2026 · 04 Apr 2026 · Shift 1 · Straight Lines

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Let the line intersect the lines and at the points A and B , respectively. Let the bisector of the obtuse angle between the lines and intersect the line at the point C . Then is equal to :
  1. (A)✓ Correct
  2. (B)
  3. (C)
  4. (D)

Answer: (A)

Solution

The line meets at and at . The bisectors of the angles between and are . Since , the obtuse-angle bisector is taken with the sign, meeting at . Then and , so . Hence .

JEE Main · 2026 · 04 Apr 2026 · Shift 1 · Single correct option

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