Trigonometry (10th Edition)

Published by Pearson
ISBN 10: 0321671775
ISBN 13: 978-0-32167-177-6

Chapter 8 - Complex Numbers, Polar Equations, and Parametric Equations - Section 8.1 Complex Numbers - 8.1 Exercises - Page 358: 73

Answer

$7$

Work Step by Step

Step 1: $(\sqrt 6+i)(\sqrt 6-i)$ Step 2: $\sqrt 6(\sqrt 6-i)+i(\sqrt 6-i)$ Step 3: $6-i\sqrt 6+i\sqrt 6-i^{2}$ Step 4: $6-(-1)$ Step 5: $6+1$ Step 6: $7$
Update this answer!

You can help us out by revising, improving and updating this answer.

Update this answer

After 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.