If r(t) = (t6, t, t), find r'(t), T(1), r"(t), and r'(t) xr"(t).
r'(t) T(1) r"(t) =
r'(t) xr"(t) II
If r(t) = (e3t, e-4t, t), find r'(o), TO),r"), and r'(0) xr"0). e r'(0) T(0) = r"0) = II r'(0) xr"(0)
Find parametric equations for the tangent line to the curve with the given parametric equations at the specified point. x = +1, y = 8Vt, z = 22-4, x +1 (2, 8, 1) t (x(t), y(t), z(t)) 1)
