What is the magnitude & argument of (-1 + sqr(3i))^2?
Follow Math Help Forum on Facebook and Google+
Can you use DeMoivre? It's only a square, so it's not necessary, but it may be easier.
Originally Posted by katchat64 What is the magnitude & argument of (-1 + sqr(3i))^2? The magnitude is this complex number's length... The argument is the angle made with the positive Real axis in the anticlockwise direction... Since z is in the second quadrant, it's evaluated by So we can write z as . Then by using De Moivre's Theorem... So and
Close.
Originally Posted by TKHunny Close. Oops, typo, I did instead of . Thanks.
View Tag Cloud