1. Find the vector. parametric. and symmetric equations of the line that passes through [2. 1. -31 and (5, .7. 4). 2. Find the parametric equation of the line that passes through [8. -10. 51 and is parallel to the line L:r-{5,-7,4)+t[2.1,L1) HER 3. Find the symmetric equation of the line that passes through (2, -1, 5) and has a direction vector of (12, 4, -1)