$250\left|5\right|\left(25\right)$

$\left(2\cos^{2}2\theta-1\right)^{2}=1-\sin^{2}4\theta$

$\int_{-2}^{-1}\left(2-x\right)\sqrt{x}dx$

$\frac{1}{4}\ln\left(y\right)=\ln\left(x\right)$

$\frac{8x^5y}{y^4}\cdot\frac{5y}{4x^2}$

$\int e^{3x}\sin\left(2\right)xdx$

$\lim_{x\to\infty}\left(\frac{x-5}{x+5}\right)$