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How do you find the magnitude of YZ given Y(3,1) and Z(0,4)?

1 Answer

Sep 23, 2016

#"The Magnitude=3sqrt2~~4.242#.

Explanation:

#Y(3,1) and Z(0,4)#

#:. vec(YZ)=(0,4)-(3,1)=(0-3,4-1)," by Defn."=(-3,3).#

Hence, magnitude of #vec(YZ)=||vec(YZ)||=sqrt{(-3)^2+3^2}=sqrt18=3sqrt2#

#~~3(1.414)=4.242#.

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