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.

II. Integration – 2. Itereret integral 195<br />

2.22. Fortsat<br />

Eksempel 2 - fortsat<br />

☞ [S] 12.2 Iterated integrals<br />

<br />

(x − 3y 2 2 2<br />

)dA = (x − 3y 2 )dxdy<br />

R<br />

=<br />

=<br />

1<br />

2<br />

1<br />

2<br />

1<br />

0<br />

x 2<br />

2 − 3y2 x<br />

(2 − 6y 2 )dy<br />

x=2<br />

x=0<br />

= 2y − 2y 32 = −12 1<br />

Bemærk, at midtpunktsreglen, [S] 12.1 Eksempel 3, gav tilnærmelsen − 95<br />

8<br />

dy<br />

= −11,875<br />

2.23. Med sinus og cosinus ☞ [S] 12.2 Iterated integrals<br />

Figur - Eksempel 3<br />

R = [1,2] × [0,π], f(x,y) = y sin(xy)

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

Saved successfully!

Ooh no, something went wrong!