#### Answer

$\sqrt{-1}$;
$-1$

#### Work Step by Step

RECALL:
$i=\sqrt{-1}$
Thus,
$i^2=(\sqrt{-1})^2=-1$
Therefore, the missing expressions in the given statement are (in order):
$\sqrt{-1}$; $-1$

Published by
Pearson

ISBN 10:
013421742X

ISBN 13:
978-0-13421-742-0

$\sqrt{-1}$;
$-1$

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.