How I can make $\Bbb{C}[x]$ into a Banach algebra?

55 Views Asked by At

Let $\Bbb{C}$ the complex field. Define $\Bbb{C}[x]$ as the set of all polynomials with variable $x$. It is known that $\Bbb{C}[x]$ is a algebra. Now the question is this that how I can make it a Banach algebra?Any reference?