51,401 views
22 votes
22 votes
Perform the indicated operation. Write the answer in the form a + bi.

Perform the indicated operation. Write the answer in the form a + bi.-example-1
User Malek Boubakri
by
2.7k points

1 Answer

7 votes
7 votes

Okay, here we have this:

Considering the provided expression, we are going to perform the requested operation, so we obtain the following:


\begin{gathered} (8-5i)^2+(8+5i)^2 \\ =-80i+64-25+80i+64-25 \\ =39+39 \\ =78 \end{gathered}

Finally we obtain that the correct answer is the option A.

User Kikito
by
2.7k points