$\int\frac{8x^2+8x+2}{\left(4x^2+1\right)}dx$

$\frac{cosx}{cscx}$

$\int\frac{4x^2-28x+56}{x^3-10x^2+32x-32}dx$

$3\left(-11\right)^4-3\left(-11\right)^3-\left(-11\right)^2+3\left(-1\right)-1\:$

$\frac{dy}{dx}=-8yx$

$\lim_{x\to0}\left(\frac{1-\cos\left(7x\right)}{7x^3}\right)$

$\lim_{n\to\infty}\left(\frac{4}{7\sqrt{n}}\right)$