Write in the simplest form: open parentheses 1 plus i close parentheses cubed

Asked by Topperlearning User | 8th Aug, 2014, 10:36: AM

Expert Answer:

 open parentheses 1 plus i close parentheses cubed
equals 1 plus i cubed plus 3 i squared plus 3 i
equals 1 minus i minus 3 plus 3 i
equals minus 2 plus 2 i
equals minus 2 left parenthesis 1 minus i right parenthesis

Answered by  | 8th Aug, 2014, 12:36: PM