The interval of x in which the function fx - 2x3 - 3x2 - 12x - 14 is monotonically decreasing- isx - - - - - fx - 2x3 - 3x2 - 12x - 14 - - - - -

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Algebra of Derivatives

The interval ...

Question

The interval of x in which the function f(x) = 2x³ – 3x² – 12x + 14 is monotonically decreasing, is

x के कौनसे अंतराल में फलन f(x) = 2x³ – 3x² – 12x + 14 एकदिष्ट रूप से ह्रासमान है

(–∞, –1) ∪ (2, ∞)

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(–∞, 1) ∪ (2, ∞)

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(–∞, –2) ∪ (1, ∞)

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(–1, 2)

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