Answer
$6\vec{i}+6\vec{j}+6\vec{k}$
Work Step by Step
We simplify:
$(2\vec{i} + \vec{j}) \cdot 3\vec{i}(\vec{i}+\vec{j}+\vec{k})=(2 \cdot 3) (\vec{i}+\vec{j}+\vec{k}) \\ =6\vec{i}+6\vec{j}+6\vec{k}$
Functions Modeling Change: A Preparation for Calculus, 5th Edition
by Connally, Eric; Hughes-Hallett, Deborah; Gleason, Andrew M.; Cheifetz, Phil C.
Published by
Wiley
ISBN 10:
1118583191
ISBN 13:
978-1-11858-319-7
Chapter 12 - Vectors and Matrices - Review Exercises and Problems for Chapter Twelve - Page 532: 17
Update this answer!
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.
