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Estudos Gerais05/25/2025

II. $\int x \cos 5x \ dx = \frac{-x}{5} \operatorname{sen} 5...

II. xcos5x dx=x5sen5x+cos5x25+C\int x \cos 5x \ dx = \frac{-x}{5} \operatorname{sen} 5x + \frac{}{}\frac{\cos 5x}{25} + C III. (x2+2x)cosx dx=(x2+2x)senx+C\int (x^2 + 2x) \cos x \ dx = (x^2 + 2x) \operatorname{sen} x + C

É correto o que se afirma em:

II. $\int x \cos 5x \ dx = \frac{-x}{5} \operatorname{sen} 5x + \frac{}{}\frac{\cos 5x}{25} + C$
III. $\int (x^2 + 2x) \cos x \ dx = (x^2 + 2x) \operatorname{sen} x + C$

É correto o que se afirma em:
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