$\frac{1}{\frac{0}{9}}$

$\int\:\frac{x^3-1}{x\left(2x+1\right)\left(2x-1\right)}dx$

$\left(2-2\cdot q^{-1}\right)^2$

$x\left(2a+b+c\right)-2a-2b-c$

$\int4\pi y\left(6+y\frac{3}{2}\right)dy$

$dx=5\sec\:\left(\theta\:\right)\tan\:\left(\theta\:\right)d\theta\:$

$\int\left(2x+7\right)^{-3}dx$