i forgot how to do this type of problem and i i was wondering if you guys can help me out.(adsbygoogle = window.adsbygoogle || []).push({});

(1+i)^n-1=i_a im trying find i given i_a. n is the number of terms which i also have. i know u have to add the negative one to the other side. but no clue as to go from there.

**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: Help with simple math problem

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