How do you find the unit vector in the direction of the vector a = 2i + 3j?

1 Answer
sjc
Oct 26, 2016

vec(hata)=sqrt13/13(2veci+3vecj)

Explanation:

unit vector in direction of veca is given by

vec(hata)=veca/|a|

so for veca=2veci+3vecj

vec(hata)=1/sqrt(2^2+3^2)(2veci+3vecj)

vec(hata)=1/sqrt13(2veci+3vectj)

vec(hata)=sqrt13/13(2veci+3vecj)

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