$\frac{d}{dx}\left(y=\left(2x^2+sinx\right)^{4x}\right)$

$f\left(x\right)=\left(x+5\right)\left(x+9\right)$

$-\frac{x^7y^6}{-8x^9y^{10}}$

$\lim_{x\to\infty}\left(\frac{3x^2+2x+1}{2x^2-1}\right)^{ax+1}$

$\lim_{x\to0}\left(\frac{\left(e^x-sinx-1\right)}{x^4+7x^3+10x^2}\right)$

$2x^5-x^3+4x^2-7x+2-\left(4x^3-13x+6\right)$

$\int_0^2\left(2xe^{-2x}\right)dx$