$\sqrt[25]{4^{5^2}}$

$4x^3y^6+16x^6y^4-24x^3y^3$

$y-\left(\sin\left(x\right)\right)y=2\sin\left(x\right)$

$\lim_{n\to0}\left(\frac{49n^2}{\left(4n^2+7\right)}\right)$

$k^2+11k^2+30$

$\sqrt{162}$

$1+\frac{\sin\left(x\right)}{1-\sin\left(x\right)}=\frac{\csc\left(x\right)+1}{\csc\left(x\right)-1}$