Mathematics · Linear Equations
The system of equations ax + b = 0 and cx + d = 0 is consistent if (where a ≠ 0, c ≠ 0):
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1ad = bc✓
- 2cd = ab
- 3a = d = b = c
- 4ad + bc = 0
Correct answer
ad = bc
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