Integraal van $$$\frac{x^{6}}{2}$$$

Bepaal $$$\int \frac{x^{6}}{2}\, dx$$$.

Pas de constante-veelvoudregel $$$\int c f{\left(x \right)}\, dx = c \int f{\left(x \right)}\, dx$$$ toe met $$$c=\frac{1}{2}$$$ en $$$f{\left(x \right)} = x^{6}$$$:

$${\color{red}{\int{\frac{x^{6}}{2} d x}}} = {\color{red}{\left(\frac{\int{x^{6} d x}}{2}\right)}}$$

Pas de machtsregel $$$\int x^{n}\, dx = \frac{x^{n + 1}}{n + 1}$$$ $$$\left(n \neq -1 \right)$$$ toe met $$$n=6$$$:

$$\frac{{\color{red}{\int{x^{6} d x}}}}{2}=\frac{{\color{red}{\frac{x^{1 + 6}}{1 + 6}}}}{2}=\frac{{\color{red}{\left(\frac{x^{7}}{7}\right)}}}{2}$$

Dus,

$$\int{\frac{x^{6}}{2} d x} = \frac{x^{7}}{14}$$

Voeg de integratieconstante toe:

$$\int{\frac{x^{6}}{2} d x} = \frac{x^{7}}{14}+C$$

$$$\int \frac{x^{6}}{2}\, dx = \frac{x^{7}}{14} + C$$$A