Guest

The smallest postive integer for which (1+i/1-i)^n=1

The smallest postive integer for which (1+i/1-i)^n=1

Grade:9

1 Answers

Arun Kumar IIT Delhi
askIITians Faculty 256 Points
8 years ago
Hello Student,

\\({1+i \over 1-i})^n=1 \\=>({2i \over 2})^n=1 \\=>i^n=1 \\=>n=4

Thanks & Regards
Arun Kumar
Btech, IIT Delhi
Askiitians Faculty

Think You Can Provide A Better Answer ?