Problem 3. (1 point) Find unit vectors that satisfy the given conditions: 1. The unit vector in the same direction as (4,0) is help (vectors) 2. The unit vector oppositely directed to -2j-3k is 3. The unit vector that has the same direction as the vector from the point A (4,5) to the point B (5,8) is Note: You can earn partial credit on this problem