Question

Efetue:
a) (3+2i) + (-1+ 3i) =

Answer 1

a)
$(3+2i)+(-1+3i)= \\ 3+2i-1+3i= \\ 2+5i$

Answer 2

(3+2i)+(-1+3i) =
-3+9i-2i+6i=
9i-3i+6i=3
12i=3
i=3/12
i=0,25