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Web skærmformat. - Aarhus Universitet

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II. Integration – 2. Itereret integral 183<br />

✌ Eksempler<br />

✌ Test produkt<br />

2.2. Analysens hovedsætning ☞ [S] 5.4 The fundamental theorem of calc.<br />

Sætning (Analysens fundamentalsætning)<br />

Antag, at f : [a,b] → R er kontinuert. Så er<br />

x<br />

g(x) = f(t)dt<br />

differentiabel og<br />

a<br />

g ′ (x) = f(x)<br />

For en stamfunktion F(x), F ′ (x) = f(x), er<br />

b<br />

f(x)dx = F(b) − F(a)<br />

a<br />

2.3. Overbevis ☞ [S] 5.4 The fundamental theorem of calculus<br />

Sætning (Analysens fundamentalsætning)<br />

Bevis<br />

g ′ (x) = lim<br />

h→0<br />

g(x + h) − g(x)<br />

h

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