Let . Determine…

MATHEMATICS · Single correct · AP · Calculus AB · Differentiation: Composite, Implicit, and Inverse Functions · Differentiation: Composite, Implicit, and Inverse Functions

Problem

Let f(x)=(cos⁡(5x2))3f(x)=\bigl(\cos(5x^{2})\bigr)^{3}. Determine f′(x)f'(x). (a) −10x (cos⁡(5x2))2sin⁡(5x2)-10x\,(\cos(5x^{2}))^{2}\sin(5x^{2}) (b) −30x (cos⁡(5x2))2sin⁡(5x2)-30x\,(\cos(5x^{2}))^{2}\sin(5x^{2}) (c) 30x (cos⁡(5x2))2sin⁡(5x2)30x\,(\cos(5x^{2}))^{2}\sin(5x^{2}) (d) −30x cos⁡(5x2)sin⁡(5x2)-30x\,\cos(5x^{2})\sin(5x^{2})

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