Answer
7
Work Step by Step
The dot product of a= 3i + 2j - k and b= 4i + 5k is:
<3,2,-1> dotted with <4,0,5> = (3×4) + (2×0) + (-1×5)= 7
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.