$$\infty^{\frac{1}{3}}$$

$$\lim_{x\to\infty}\left(5\left(tanx\right)^{sinx}\right)$$

$$\lim_{x\to0}\left(\frac{1-x-lnx}{1+cos\left(\pi x\right)}\right)$$

$$\frac{d}{dx}y^2=\frac{x^2}{xy-4}$$

$$tan2\left(x\right)sin\left(x\right)+\:sec2\left(x\right)$$

$$64x^7y^7-xy^{13}$$

$$8x^2+2x-20$$