1. ## Multiplying and dividing complex number help please

Let a = 1 + i and b = √3 + i
Find a*b and a/b
Working out would be nice

(then convert to polar form rcisθ)
From your results, describe a quick way of
a) multiplying two complex numbers in polar form
b) dividing two complex numbers in polar form

Thanks, help is much appreciated!

2. Originally Posted by morningflower
Let a = 1 + i and b = √3 + i
Find a*b and a/b
Working out would be nice

(then convert to polar form rcisθ)
From your results, describe a quick way of
a) multiplying two complex numbers in polar form
b) dividing two complex numbers in polar form