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Ejercicios resueltos de Cálculo - Universidad de Málaga

Ejercicios resueltos de Cálculo - Universidad de Málaga

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Integración 363<br />

<br />

<br />

cos xsen 3 xdx = 1<br />

4 sen4 x (b)<br />

<br />

dx<br />

(3x + 4) 4 = (3x + 4) −4 dx = − 1<br />

(3x + 4)−3<br />

9<br />

<br />

(c)<br />

(d)<br />

<br />

arctg x arctg x<br />

(x − 1) 2 dx =<br />

1 − x −<br />

<br />

<br />

= arctg x<br />

= arctg x<br />

1 − x<br />

1 − x<br />

<strong>Ejercicios</strong> <strong>resueltos</strong> <strong>de</strong> <strong>Cálculo</strong>. c○Agustín Valver<strong>de</strong><br />

cos 3xe sen 3x dx = 1 3x<br />

esen<br />

3<br />

dx<br />

(1 + x2 )(1 − x)<br />

<br />

1 1 x + 1<br />

− +<br />

2 1 − x 1 + x2 <br />

dx<br />

<br />

1<br />

− − log |1 − x| +<br />

2<br />

1<br />

2 log(x2 <br />

+ 1) + arctg x<br />

tg 4 <br />

t<br />

xdx →<br />

4<br />

1 + t2dt (tg x → t)<br />

<br />

= t<br />

(f)<br />

2 − 1 + 1<br />

t2 <br />

dt =<br />

+ 1<br />

1<br />

3 t3 − t + arctg t<br />

→ 1<br />

3 tg3 x − tg x + x<br />

<br />

dx<br />

= log |sen x|<br />

tg x<br />

(g)<br />

(e)

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