Question

Length of the line segment joining the points $-1-i$ and $2+3i$ on the complex plane is

• A. 5
• B. -5
• C. 7
• D. -7

Answer 1

The correct option is A 5

Since the coordinates in complex plane are (2, 3) and (-1,-1), the required distance is $d=\sqrt{(2-(-1){)}^2+(3-(-1){)}^2}=\sqrt{3^2+4^2}=5units$