Complex numbers
Finding the square root of a complex number
In this video I show you how to find the square root of a complex number by equating the real and imaginary parts.
Find the square root of the following. I show you how to do (i) and give you the opportunity to work out (ii) before showing you the worked solution.
![]()
I want to make maths freely available to all students throughout the world. Over 1500 videos have been completed so far and more go up most days, see my facebook page. If you can offer a donation to keep this project alive and/or like a page, then this is really appreciated. To make a secure donation, please click the button on the right. Thankyou. More ...