原げん始し関かん数すう

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Meanings

1

primitive function; antiderivative

Mathematical term for a function whose derivative is the given function. Used in calculus contexts.

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Find the antiderivative of f(x).

原げん始し関かん数すうは微び分ぶんの逆ぎゃく演えん算ざんで得えられる。

The primitive function is obtained by the inverse operation of differentiation.