integral from 0 to 2pi of e^{iθ}

Lösung

\int_{0}^{2 π} e^{i θ} d θ

0

Schritte zur Lösung

\int_{0}^{2 π} e^{i θ} d θ

Wende U-Substitution an

= \int_{0}^{i 2 π} - i e^{u} d u

Entferne die Konstante:

\int a \cdot f (x) d x = a \cdot \int f (x) d x

= - i \cdot \int_{0}^{i 2 π} e^{u} d u

Nutze das gemeinsame Integral :

\int e^{u} d u = e^{u}

= - i [e^{u}]_{0}^{i 2 π}

Berechne die Grenzen:

0

= - i 0

Vereinfache

= 0

\int_{0}^{\infty} 4 x e^{- 4 x} d x

d er i v a t i v e cos (sin (7 x))

h \to 0 lim (\frac{∣ h ∣}{h})

0 \to 0 lim (ln (0))

x \to - \infty lim (\frac{4 - 7 x}{2 + 3 x})