Question

Perform the indicated operation. Write the answer in the form a + bi.

Answer 1

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.