06.08.2013 Views

Web skærmformat. - Aarhus Universitet

Web skærmformat. - Aarhus Universitet

Web skærmformat. - Aarhus Universitet

SHOW MORE
SHOW LESS

Create successful ePaper yourself

Turn your PDF publications into a flip-book with our unique Google optimized e-Paper software.

IX. Opgaver – 2. Januar 2003 559<br />

Dobbeltintegralet er Type II:<br />

<br />

T<br />

f(x,y)dA =<br />

1 2y<br />

0<br />

0<br />

f(x,y)dx dy<br />

2.18. Beregn et dobbeltintegral<br />

Opgave 3 - løsning<br />

☞ Matematik Alfa 1, Januar 2003<br />

<br />

x sin(y 3 1 2y<br />

)dA = x sin(y 3 )dx dy<br />

T<br />

=<br />

=<br />

=<br />

0 0<br />

1 <br />

1<br />

0 2 x2 sin(y 3 )<br />

x=0<br />

1<br />

2y<br />

0<br />

2 sin(y 3 )dy<br />

1 <br />

− 2<br />

3 cos(y3 )<br />

= 2<br />

(1 − cos(1))<br />

3<br />

≈ 0.31<br />

0<br />

x=2y dy

Hooray! Your file is uploaded and ready to be published.

Saved successfully!

Ooh no, something went wrong!