contestada

Examine the fraction 3+2i4−2i. Which expression is the first step to simplify the fraction? 3+2i4−2i⋅3−2i3−2i
3+2i4−2i⋅3+2i3+2i
3+2i4−2i⋅4−2i4−2i
3+2i4−2i⋅4+2i4+2i