$16x^{2}y^{2}\left(xy^{5}\right)$

$\frac{dy}{dx}\left(2x^8+4xe^{6x-6}\right)$

$-55-\left(-69\right)$

$\lim_{x\to0}\left(1-\cos\left(x\right)\right)^{\frac{2\cos\left(x\right)}{\sin\left(x\right)}}$

$\lim_{x\to0}\left(\frac{\left(4x+\sin\left(x\right)\right)}{6x+\cos\left(x\right)}\right)$

$\sqrt[2]{\frac{4x^2u^{14}}{9v^{12}}}$

$\left(3+4v\right)^2$