## 1. FTA.

I take these notes about *the fundamental theorem of algebra *in [1].

**Fundamental Theorem of Algebra. ***Every complex polynomial of degree has a factorization…* 736 more words

I take these notes about *the fundamental theorem of algebra *in [1].

**Fundamental Theorem of Algebra. ***Every complex polynomial of degree has a factorization…* 736 more words

Theorem Let , satisfies

If there exists such that

If as , then in .

*Proof:* Without loss of generality assume on , or we can add a large constant on to make it positive on boundary.