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Ejercicios resueltos de C´ALCULO

Ejercicios resueltos de C´ALCULO

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Integración 377<br />

<br />

√5 5x + 6 dx = (5x + 6) 1/5 dx = 1<br />

(5x + 6)6/5<br />

6<br />

<br />

cos x sen<br />

(a)<br />

3 x dx = 1<br />

4 sen4 <br />

x<br />

<br />

dx<br />

4 = (3x + 4)<br />

(3x + 4)<br />

(b)<br />

−4 dx = − 1<br />

(3x + 4)−3<br />

9<br />

<br />

cos 3x e<br />

(c)<br />

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

esen<br />

3<br />

(d)<br />

<br />

arc tg x arc tg x<br />

2 dx =<br />

(x − 1) 1 − x −<br />

<br />

dx<br />

(1 + x2 )(1 − x)<br />

=<br />

(e)<br />

arc tg x<br />

<br />

1 1 x + 1<br />

− +<br />

1 − x 2 1 − x 1 + x2 <br />

dx<br />

= arc tg x<br />

<br />

1<br />

− − log |1 − x| +<br />

1 − x 2<br />

1<br />

2 log(x2 <br />

+ 1) + arc tg x<br />

<br />

tg 4 <br />

t<br />

x dx →<br />

4<br />

dt (tg x → t)<br />

1 + t2 <br />

= t<br />

(f)<br />

2 − 1 + 1<br />

t2 <br />

dt =<br />

+ 1<br />

1<br />

3 t3 − t + arc tg t<br />

→ 1<br />

3 tg3 x − tg x + x<br />

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

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