laneey875 laneey875 12-03-2024 Mathematics contestada Find r'(t) if r(t) = 4ti + t²tj + ln(t²)k.a) r'(t) = 4i + 3t²j + 2/t kb) r'(t) = 4i + 2tj + 2/t kc) r'(t) = 4i + 2tj + 1/t kd) r'(t) = 4i + t²j + 2/t k