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Web skærmformat. - Aarhus Universitet

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II. Integration – 2. Itereret integral 200<br />

2.29. Opgave løst ☞ [S] 12.2 Iterated integrals<br />

Øvelse 16<br />

<br />

xe xy 1 1<br />

dA = xe xy dydx<br />

R<br />

0 0<br />

1<br />

= [e<br />

0<br />

xy ] y=1<br />

y=0 dx<br />

1<br />

= (e<br />

0<br />

x − e 0 )dx<br />

= [e x − x] 1<br />

0<br />

= e − 2<br />

2.30. Test Fubini ☞ [S] 12.2 Iterated integrals<br />

Test<br />

Lad f(x,y) = xlny, R = [0,2] × [1,2]. Der gælder <br />

R xlny dA = 2<br />

0 x dx 2<br />

lny dy. 1<br />

Afkryds:<br />

ja<br />

<br />

nej

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