Question

What is the distance between the points x and y, given that x = 3 + 2i and y = 4 + 3i?

Answer 1

$$|x-y|=\sqrt{(x_1 - y_1)^2+(x_2 - y_2)^2}=$$

$$=\sqrt{(3-4)^2+(2-3)^2}=\sqrt{2}$$