$\int_y^{y^2}\left(\frac{x}{y}\right)dx$

$\int\frac{5w}{\left(3w^2+1\right)}dw$

$\lim_{x\to\infty}\left(\frac{\ln\left(\sin\left(3\cdot x\right)\right)}{\ln\left(\sin\left(x\right)\right)}\right)$

$\int\frac{x-1}{e^x}\left(x\right)dx$

$\sqrt[15]{a^{12}}b^6c^4$

$\left(\:p\:+\:5q\right)^2$

$4+3x=13$