# how to compute inverse of function on sage?

can anyone help how do i get the inverse of function on sage f(x) x^3+2x+1 and then the derivative of that. Thanks

how to compute inverse of function on sage?

Asked: **
2014-09-30 16:42:10 -0500
**

Seen: **868 times**

Last updated: **Sep 30 '14**

substitute expression instead of formal function symbol

Can sage compute the inverse of a function?

How to substitute a function within derivatives?

Substitute formal function by an expression in a differential equation

A simple problem related to symbolic calculation

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This looks like homework. There is a theorem and formula for computing this. You should be able to find it in a calculus text (physical or online).