Find a unit vector u in the direction of v. Verify that ||u||= 1. v = −4, 4

Answer 1

Vector u = v/magn(v) = (-4,4)/sqrt((-4)² + 4²) = (-4, 4)/4sqrt(2) = (-1/sqrt(2), 1/sqrt(2)) = (-1/2^1/2,1/2^1/2)