Mathematics · Application of Derivatives
If the curve y = ax3 + bx2 + cx + d has a point of minima at x = 1, then:
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1a + 3b > 0
- 23a + b = 0
- 33a + b > 0✓
- 43a + b < 0
Correct answer
3a + b > 0
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