Let $f=ax^2+b$ be a polynomial in $Q[x]$, how to define $f$ in sage?
How to define a polynomial with abstract coefficients in Sage
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math-software
sagemath
1 Answers
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sage: var('a b') (a, b) sage: R. = QQ[] sage: f = a * X * X + b sage: f X^2*a + b sage: R Univariate Polynomial Ring in X over Rational Field
You can get more information about polynomials in this tutorial here.