we suppose first that $(a,b)\in \mathbb{R}^2$, $b>a>0$
$P$ is the polynomial function defined as $$P(x)=2(a^3-b^3)x+(a-b)^3(x(1-x^2))$$
what is the inverse of $P(x)$ for $x\in [-1,0]$
2026-04-02 04:28:23.1775104103
What is the inverse of a polynomial function
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