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Hi! Can someone help me with these? Thanks a bunch! :) 1.) Find the dot product. <0, 3> ∙ <4, -2> 2.) Find the dot product of u...Asked by Heather
Hi! Can someone help me with these? Thanks a bunch! :)
1.) Find the dot product.
<0, 3> ∙ <4, -2>
2.) Find the dot product of u and v.
u = <-4, 1>
v = <2, -3>
1.) Find the dot product.
<0, 3> ∙ <4, -2>
2.) Find the dot product of u and v.
u = <-4, 1>
v = <2, -3>
Answers
Answered by
Reiny
in general:
<a, b> ∙ <c, d>
= ac + bd
so
<0, 3> ∙ <4, -2>
= 0 + (-6) = -6
repeat for #2
<a, b> ∙ <c, d>
= ac + bd
so
<0, 3> ∙ <4, -2>
= 0 + (-6) = -6
repeat for #2
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