Let $n$ be an odd number. Prove that $n$ is a prime number $ \iff$ $\frac{T_n(x)}{x}$ is irreducible on $Q[x]$ We have that $ $ $T_n(x)$ is Chebyshev polynominal please help me :((
2026-03-25 17:20:09.1774459209
$n$ is a prime number $\iff $ $\frac{Tn(x)}{x}$ is irreducible on $Q[x]$
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