Evaluate the definite integral $$\int_2^4 \left(\frac{d}{dt}\sqrt{2 + 4 t^4}\right)\, dt$$ using the Fundamental Theorem of Calculus.

You will need accuracy to at least 4 decimal places for your numerical answer to be accepted. You can also leave your answer as an algebraic expression involving square roots.
$\displaystyle \int_2^4 \left(\frac{d}{dt}\sqrt{2 + 4 t^4}\right)\, dt$ =