Mathematics · Coordinate Geometry
Three points (x1, y1), (x2, y2) and (x3, y3) will be collinear if:
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1y1(x2 - x3) + y2(x3 - x1) + y3(x1 - x2) ≠ 0
- 2y1(x2 - x3) + y2(x3 - x1) + y3(x1 - x2) = 0
- 3x1(y2 - y3) + x2(y3 - y1) + x3(y1 - y2) ≠ 0
- 4x1(y2 - y3) + x2(y3 - y1) + x3(y1 - y2) = 0✓
Correct answer
x1(y2 - y3) + x2(y3 - y1) + x3(y1 - y2) = 0
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