Let for . Determine…

MATHEMATICS · Single correct · A Level · Mathematics · Differentiation · Differentiation

Problem

Let g(x)=tan⁡3xxg(x)=\dfrac{\tan 3x}{x} for x≠0x\neq 0. Determine g′(π)g'(\pi). (a) 3π2\dfrac{3}{\pi^{2}} (b) 1π\dfrac{1}{\pi} (c) −3π-\dfrac{3}{\pi} (d) 3π\dfrac{3}{\pi}

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