Question: 0. 12/0.12 Points] DETAILS Find a . b. a = Si + j, b = i - 2j + k Need Help? Read it Watch

0. 12/0.12 Points] DETAILS Find a . b. a = Si

0. 12/0.12 Points] DETAILS Find a . b. a = Si + j, b = i - 2j + k Need Help? Read it Watch It Submit Answer -/0.12 Points] DETAILS MY NOTES SCALCET9 12.3.010. Find a . b. Jal = 60, b| = 90, the angle between a and b is 4 Need Help? Read It Submit Answer 0.12/0.12 Points] DETAILS MY NOTES SCALCET9 12.3.011 If u is a unit vector, find u . v and u . w. (Assume v and w are also unit vector

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