$f\left(x\right)=\frac{2}{1-x^7}$

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$f\left(x\right)=\frac{2}{-x^7+1}$

Learn how to solve espressioni algebriche problems step by step online. f(x)=2/(1-x^7). For easier handling, reorder the terms of the polynomial -x^7+1 from highest to lowest degree. We can factor the polynomial -x^7+1 using the rational root theorem, which guarantees that for a polynomial of the form a_nx^n+a_{n-1}x^{n-1}+\dots+a_0 there is a rational root of the form \pm\frac{p}{q}, where p belongs to the divisors of the constant term a_0, and q belongs to the divisors of the leading coefficient a_n. List all divisors p of the constant term a_0, which equals 1. Next, list all divisors of the leading coefficient a_n, which equals 1. The possible roots \pm\frac{p}{q} of the polynomial -x^7+1 will then be.