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Web skærmformat. - Aarhus Universitet

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I. Differentiation – 2. Partielle afledede 35<br />

2.2. Tangenthældning ☞ [S] 2.7 Derivatives<br />

2 3 Definition<br />

Den afledede af f(x) i tallet a er<br />

df<br />

dx (a) = f ′ f(a + h) − f(a)<br />

(a) = lim<br />

h→0 h<br />

y<br />

(a, f(a))<br />

(a + h, f(a + h))<br />

2.3. Botanik for afledte ☞ [S] 3.1, 3.4 Derivatives. . .<br />

d<br />

dx (xn ) = nx n−1<br />

d<br />

dx (ex ) = e x<br />

f(x)<br />

x

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