(adsbygoogle = window.adsbygoogle || []).push({}); 1. The problem statement, all variables and given/known data

Let z=x+iy prove that Exp[z1]*Exp[z2]=Exp[z1+z2]

2. Relevant equations

Binomial thm (x+y)^n=Sum[Bin[n,k]*x^n-k*y^k,{k,1,n}]

3. The attempt at a solution

I have no idea about this question...

Please give me some help.

**Physics Forums | Science Articles, Homework Help, Discussion**

The friendliest, high quality science and math community on the planet! Everyone who loves science is here!

# Homework Help: The exponential identity

**Physics Forums | Science Articles, Homework Help, Discussion**