原始関数一覧(基礎編)
$$
\begin{array}{}
\displaystyle
\int{}x^a\,dx&=&\dfrac{1}{a+1}x^{a+1} (a≠-1)\\\\
\displaystyle
\int{}\dfrac{dx}{x}&=&\log|x|\\\\
\displaystyle\int{}\sin{}x\,dx&=&-\cos{}x\\\\
\displaystyle\int{}\cos{}x\,dx&=&\sin{}x\\\\
\displaystyle\int