Asked by Mary
This has to do with dot products (I can't make the arrow above the u, i, or j).
Given u = 4i - 6j and v = -3i + 5j, find 4u-(1/2)v
Am I just supposed to plug in what u and v are equal to in 4u-(1/2)v? If so, is the answer (35/2i - 53/2j)
Given u = 4i - 6j and v = -3i + 5j, find 4u-(1/2)v
Am I just supposed to plug in what u and v are equal to in 4u-(1/2)v? If so, is the answer (35/2i - 53/2j)
Answers
Answered by
Steve
looks good to me.
Yep, just do a scalar multiply on u,v and add the i,j values separately.
Yep, just do a scalar multiply on u,v and add the i,j values separately.
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