MATH HELP! I'm trying to use dot products and vectors for my Pre-calc class..:
2 answers:
2v = <-10, 4>
4u = <-24, 4>
-4u = <24, -4>
-4u + 2v = <24, -4> + <-10, 4> = <14, 0>
-4u+2v=-4*(-6,1)+2*(-5,2)=((-4)*(-6)+2*(-5),(-4)*1+2*2)=(24-10,-4+4)=(14,0)
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