$\left(1-d\right)\sin\left(a\right)-\sin\left(a\right)$

$4x^2+\frac{9}{x^2}$

$\lim_{x\to\infty}\left(\frac{lnx^4}{x^5}\right)$

$\frac{dy}{dx}-2xy^2=2x$

$\lim_{x\to0}\left(\frac{\sin\left(2x\right)}{\sqrt{x+1}-1}\right)$

$4\left(3\right)^2\left(2\right)^3+5\left(2\right)-3\left(3\right)$

$\int\frac{u^2}{\sqrt{1-u^2}}du$