Mathematics · Coordinate Geometry
If the line joining the points (-2, 6) and (4, 8) is perpendicular to the line joining the points (8, 12) and (x, 24), and x = -λ24, then λ is equal to:
- 1-4
- 2-3i
- 32√3
- 4±4i✓
Correct answer
±4i
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