$7\sin\left(x\right)-1=0$

$\sqrt{28x^5}$

$\lim_{x\to\infty}\left(1+\frac{y}{x}\right)^{3x}$

$\int_5^{-5}\left(\frac{4x}{2-8x^2}\right)dx$

$\lim_{x\to0}\left(\frac{sin\left(x\right)\left(1-cos\left(x\right)\right)}{2x^8}\right)$

$\int xln\left(9x\right)dx$

$\int\left(\frac{9x^2-8x+1}{\left(6x^3-8x^2+2x-1\right)}\right)dx$