Answer
1
Work Step by Step
The dot product of a= 2i + j and b= i - j + k is :
<2,1,0> dotted with <1,-1,1> = (2×1) + (1×-1) + (0×0)= 1
Calculus 8th Edition
by Stewart, James
Published by
Cengage
ISBN 10:
1285740629
ISBN 13:
978-1-28574-062-1
Chapter 12 - Vectors and the Geometry of Space - 12.3 The Dot Product - 12.3 Exercises - Page 852: 7
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