Question

I need to find the unit vector of v = (3,1). see following post for answer.

Answer 1

\[1\div \sqrt{10}\]

Answer 2

unit vector =v/|v|=(3/sqrt10,1/sqrt10)

Answer 3

hold on i'm trying to figure out how to use this latex editor

Answer 4

I can't figure out how to write fractions with the equation editor

Answer 5

there is no unit vector of a point if you want to find the unit vector then v should be a vector it must be written as v=[3,1]

Answer 6

محمد you're right, I made a mistake

Answer 7

can you write fractions with the latex, or do you just use /?

Answer 8

unit vector =[3,1]/sqrt(3^2+1^2)
=[3,1]/sqrt(10)