## anonymous one year ago If u = 1 + i and v = 1 – i, what is u + v? a)2 b)0 c)-2i d)-2 e)2i

1. anonymous

@Michele_Laino

2. anonymous

c?

3. Michele_Laino

here are some steps: $\Large \begin{gathered} u + v = \left( {1 + i} \right) + \left( {1 - i} \right) = 1 + i + 1 - i = \hfill \\ \hfill \\ = \left( {1 + 1} \right) + i\left( {1 - 1} \right) = ...? \hfill \\ \end{gathered}$

4. Michele_Laino

option C) is a wrong option

5. anonymous

yes i know i got it thank you :)

6. Michele_Laino

:)