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Cálculo - Frank Ayres Jr & Elliot Mendelson - 5ed (1)

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181<br />

Las fórmulas conocidas para las derivadas de funciones trigonométricas y de funciones trigonométricas<br />

inversas dan las fórmulas siguientes para las antiderivadas:<br />

sen xdx=− cos x+<br />

C<br />

∫<br />

∫<br />

∫<br />

∫<br />

∫<br />

∫<br />

∫<br />

∫<br />

∫<br />

<br />

∫<br />

<br />

cos xdx= senx+<br />

C<br />

sec<br />

xdx= tan x+<br />

2<br />

C<br />

tan xsec<br />

xdx= sec x+<br />

C<br />

2<br />

cosec xdx=− cotx+<br />

C<br />

cot x csec xdx=− cosecx+<br />

C<br />

1<br />

x dx −1<br />

= sen<br />

−<br />

x + C<br />

2<br />

1<br />

1<br />

+ x dx −1<br />

2 = tan x+<br />

C<br />

1<br />

1<br />

1<br />

dx = sec − x + C<br />

2<br />

x x −1<br />

1<br />

1<br />

2 2<br />

a x dx <br />

x<br />

sen <br />

C<br />

<br />

a <br />

para a > 0<br />

1 1<br />

1<br />

2 2<br />

a x dx −<br />

x<br />

= tan<br />

⎛ ⎞<br />

C<br />

+ a ⎝ a ⎠ +<br />

para a > 0<br />

1 1<br />

1<br />

2 2<br />

x x a dx <br />

x<br />

sec<br />

<br />

C<br />

a a para a > 0<br />

CAPÍTULO 22 Antiderivadas<br />

PROBLEMAS RESUELTOS<br />

En los problemas 1 a 8, evalúe la antiderivada.<br />

6 1 7<br />

1. ∫ xdx= 7 x + C [Ley (4)]<br />

dx 6 2. x dx<br />

1 5<br />

6<br />

x C<br />

1<br />

<br />

5<br />

C<br />

x <br />

5<br />

[Ley (4)]<br />

5x<br />

3. 3 zdz z 13 /<br />

dz<br />

1<br />

z 43 /<br />

<br />

C 3 ( 3 z)<br />

4 C<br />

[Ley (4)]<br />

43 /<br />

4<br />

4.<br />

1 23 / 1 13 /<br />

3<br />

dx x dx x C 3 x C<br />

3 2<br />

x<br />

[Ley (4)]<br />

13 /<br />

2 2<br />

5. ( 2x 5x 3)<br />

dx 2 x dx 5 x dx 3dx<br />

<br />

2( x ) 5(<br />

1 3 1<br />

3 2<br />

<br />

12<br />

6. ( ) ( ) / 12<br />

1 1 ( / 32<br />

x x dx x x dx x x / ) dx<br />

<br />

<br />

<br />

2<br />

3<br />

2 2 3 5 2<br />

x 3x C 3 x 2 x 3x C<br />

) [Leyes (3)-(7)]<br />

12 /<br />

32 / 32 / 52 /<br />

x dx x dx x x C<br />

x<br />

<br />

<br />

1 1<br />

32 / 52 /<br />

/ /<br />

x C 2x ( x)<br />

C [Leyes (4) y (7)]<br />

32 / 2 5 2 3 2 1 1<br />

5 3 5

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