hd unit vectors that satisfy the given conditions: 1. The unit vector in the same direction as (5,-1) is <5/sqrt26, -1/sqrt26> 2. The unit

hd unit vectors that satisfy the given conditions: 1. The unit vector in the same direction as (5,-1) is 2. The unit vector oppositely directed to i-3j+2k is help (vectors) 3. The unit vector that has the same direction as the vector from the point A = (-5, 3) to the point B = (-7,5) is