Given u=(2,5) v=(-2,1), how do you find |u-v|?

1 Answer
Sep 25, 2016

Subtract the x of component of v from the x component of u, do the same for the y components, then compute the magnitude of the resulting vector.

Explanation:

#u - v = (2 - -2, 5 - 1)#

#u - v = (4, 4)#

#|u - v| = sqrt(4^2 + 4^2)#

#|u - v| = sqrt(32)#