Mathematics · Straight Lines
If the lines x + 2ay + a = 0, x + 3by + b = 0, and x + 4cy + c = 0 are concurrent, then a, b, and c are in:
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1Arithmetico-geometric Progression
- 2Harmonic Progression✓
- 3Geometric Progression
- 4Arithmetic Progression
Correct answer
Harmonic Progression
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