Complex Numbers

Question

-1

78

1

+1932

Simplify $(1-3i) + (2-i) + (2+i) + (1+3i)$ .

tomtom Feb 19, 2024

+1633

+1

Best Answer

Opening parenthesis for only addition never hurts: $1 - 3i + 2-i+2+i+1+3i$

One can treat $i=\sqrt{-1}$ as a variable, and combine like terms normally: $1+2+2+1-3i+3i-i+i=6$

proyaop Feb 19, 2024

proyaop · Answer 1 · 2024-02-19T05:30:36

Opening parenthesis for only addition never hurts: $1 - 3i + 2-i+2+i+1+3i$

One can treat $i=\sqrt{-1}$ as a variable, and combine like terms normally: $1+2+2+1-3i+3i-i+i=6$