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Web skærmformat. - Aarhus Universitet

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II. Integration – 4. Koordinatskift 243<br />

= 2<br />

3 a2 b<br />

4.31. Opgave ☞ Matematik Alfa 1, August 2002<br />

Opgave 1<br />

Lad R betegne kvartcirkelskiven x2 + y2 ≤ 4, x ≥ 0,y ≥ 0. (Tegn.) Udregn <br />

R x2y dA.<br />

Løsning<br />

y<br />

R = {(x,y)|0 ≤ x,0 ≤ y,x 2 + y 2 ≤ 4}<br />

4.32. Opgave ☞ Matematik Alfa 1, August 2002<br />

Opgave 1 - figur<br />

2<br />

x

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