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A4-format til udskrift. - Aarhus Universitet

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108 II. INTEGRATION<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 />

x<br />

z<br />

R = {(r,θ)|0 ≤ r ≤ 2,0 ≤ θ ≤ π<br />

2 }<br />

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

Opgave 1 - fortsat<br />

er et polært rektangel.<br />

Integralet er<br />

<br />

R<br />

R = {(r,θ)|0 ≤ r ≤ 2,0 ≤ θ ≤ π<br />

2 }<br />

x 2 π/2<br />

y dA =<br />

0<br />

2<br />

x<br />

2<br />

r<br />

0<br />

3 cos 2 (θ)sin(θ)rdr dθ<br />

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

y

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