Give a vector parametric equation for the line that passes
through the point (2,0,5), parallel to the line parametrized by
〈t−3,t−3,−3−3t〉:
Find the simplest vector parametric expression r⃗ (t) for the
line that passes through the points P=(0,0,−1) at time t = 1 and
Q=(0,−4,−1) at time t = 5
Need help with Calculus III