Find the total derivative dQ/dt, where Q = (x^2 + 4y^3) sin(2t^3), and x = t^3, y = t^2, expressing your final answer in terms of t alone (no x or y terms).
Find the total derivative dQ/dt, where Q = (x^2 + 4y^3) sin(2t^3), and x = t^3, y = t^2, expressing your final answer in terms of t alone (no x or y terms).