Mathematics · Application of Derivatives
वह अंतराल जिस पर फलन f(x) = 2x3 + 9x2 + 12x - 1 ह्रासमान (decreasing) है, निम्नलिखित है:
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1[-1, 1]
- 2(-∞, -2]
- 3[-2, -1]✓
- 4[-1, ∞)
सही उत्तर देखें
[-2, -1]
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