The complex number (\frac {1+2i}{1-i}) lies in | Mathematics | SolveeIt | Solveeit

Today, August 20

Question

The complex number $\frac {1+2i}{1-i}$ lies in

A

first quadrant

B

second quadrant

C

third quadrant

D

fourth quadrant

Answer

second quadrant

Explanation

Solution

$\frac{1+2 i}{1-i} \times \frac{1+i}{1+i}=\frac{-1+3 i}{2}$