In mathematics, integration — the operation of finding the integral (inverse of differentiation) over an interval.
微分方程式を解くために積分を使った。
I used integration to solve the differential equation.
この関数の不定積分を求めてください。
Find the indefinite integral of this function, please.
An integral (the value/result obtained by integration).
この定積分の積分値は零になる。
The value of this definite integral is zero.