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5.1 INTEGRALES DOBLES 5.2 INTEGRALES TRIPLES

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MOISES VILLENA Integración Múltiple<br />

180<br />

3. En x = 1 , reemplazando se tiene:<br />

x = 1<br />

u( 1− v)<br />

= 1<br />

u− uv=<br />

1<br />

1<br />

uv = u −1⇒ v = 1−<br />

u<br />

Por lo tanto R ´ , sería:<br />

u = 0<br />

Obteniendo la nueva integral y evaluándola:<br />

1<br />

2<br />

3 1<br />

−v<br />

∂ ( xy , )<br />

= =<br />

∂ ( uv , ∫∫ ∫∫ ) ∫ ∫<br />

dydx dudv ududv<br />

R R´<br />

1 0<br />

2<br />

2<br />

3<br />

1<br />

2 1−v<br />

=<br />

∫<br />

1<br />

2<br />

2<br />

3<br />

∫<br />

1 2<br />

u<br />

2<br />

0<br />

1 1<br />

=<br />

2 1<br />

( − v)<br />

− +<br />

( 1−<br />

v)<br />

( − + )( − )<br />

( − v)<br />

2 3<br />

1 2<br />

2<br />

2<br />

2 1 3<br />

1<br />

=<br />

2 2 1 1<br />

1 1<br />

=<br />

2 1<br />

dv<br />

2<br />

v =<br />

3<br />

1<br />

v =<br />

2<br />

dv<br />

1 2<br />

1⎡1 1 ⎤<br />

= ⎢ − ⎥<br />

2 1<br />

2⎢⎣( 1− 3) ( 1−<br />

2)<br />

⎥⎦<br />

1<br />

= [ 3−2] 2<br />

1<br />

=<br />

2<br />

R´<br />

1<br />

v = 1−<br />

u

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