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inverse

Opposite in effect. $- 5$ is the additive inverse of $5$ , because their sum is zero. $\frac{1}{3}$ is the multiplicative inverse of $3$ , because their product is $1$ . For rules on find the inverse of a function, enter 'finding the inverse' into Mathway.

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$[\begin{array}{c} x^{2} & \frac{1}{2} \\ \sqrt{π} & \int x d x \end{array}]$