Calculate the value of at .

MATHEMATICS · Subjective · AP · Calculus AB · Differentiation: Definition and Fundamental Properties · Differentiation: Definition and Fundamental Properties

Problem

Calculate the value of

\dfrac{d}{dx}\big[(2x^{2}+1)\cos x\big]

x=\dfrac{\pi}{3}

Related theory

Differentiation Rules
Derivatives of standard functions via chain rule
Derivatives of composite functions
Continuity and Differentiability

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