### Calculus - Integrals

Arithematic rules The primitive function $F(x)$ of $f(x)$ obeys the rule $F'(x)=f(x)$. With $F(x)$ the primitive of $f(x)$ holds for the definite integral. $$\int_a^b f(x)dx=F(b)-F(a)$$ If $u=f(x)$...