integral of (x^3ln(x))/2

Lösung

\int \frac{x ^{3} ln ( x )}{2} d x

\frac{1}{2} (\frac{1}{4} x^{4} ln (x) - \frac{x ^{4}}{16}) + C

Schritte zur Lösung

\int \frac{x ^{3} ln ( x )}{2} d x

Entferne die Konstante:

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

= \frac{1}{2} \cdot \int x^{3} ln (x) d x

Wende die partielle Integration an

= \frac{1}{2} (\frac{1}{4} x^{4} ln (x) - \int \frac{x ^{3}}{4} d x)

\int \frac{x ^{3}}{4} d x = \frac{x ^{4}}{16}

= \frac{1}{2} (\frac{1}{4} x^{4} ln (x) - \frac{x ^{4}}{16})

Füge eine Konstante zur Lösung hinzu

= \frac{1}{2} (\frac{1}{4} x^{4} ln (x) - \frac{x ^{4}}{16}) + C

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