$$\lim_{x\to\infty}\left(\frac{1}{2}ln\left(\sqrt{x^4-1}\right)+x^2\right)$$

$$y'=sin\:y$$

$$\left(2m^2-10y\right)\left(2m^2+10\right)$$

$$\cot x=\cos x\csc x$$

$$c^2-25$$

$$8a^2b-4b^2$$

$$( x ^ { 2 } - y ^ { 2 } ) ^ { 5 }$$