Finding Dot Products In Exercises 3, 4, 5, 6, 7, 8, 9, and 10, find a. u. v, b. u.u, c. ||v||, d. (u. v)v, and e. u. (3v). 3. u= (3,4), v = (-1,5) Answer 4. u = (4, 10), v = (-2, 3) 5. u= (6,-4), v = (-3, 2) Answer+ 6. u= (-7,-1), v = (-4, -1) 7. u = (2,-3, 4), v = (0, 6, 5) Answer 8. u= (-5, 0,5), v = (-1,2,1) 9. u 2i-j+k