Answer
sum of two squares
Work Step by Step
RECALL:
$(a+bi)(a-bi) = a^2+b^2$
Thus, the product of complex conjugates $a+bi$ and $a-bi$ is a sum of two squares.
You can help us out by revising, improving and updating this answer.
Update this answerAfter you claim an answer you’ll have 24 hours to send in a draft. An editor will review the submission and either publish your submission or provide feedback.