Question

derivada f(x) = e2x cos 3x

Answer 1

$\mathsf{f(x)=e^{2x}\cdot cos(3x)}\\\mathsf{f'(x)=2e^{2x}\cdot cos(3x)+e^{2x}\cdot -3sen(3x)}\\\large\boxed{\boxed{\boxed{\boxed{\mathsf{f'(x)=e^{2x}\left[2\cdot cos(3x)-3 sen(3x)\right]}}}}}$

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