$\int_3^{\infty}\left(\frac{3cos\left(\frac{\pi}{x}\right)}{x^2}\right)dx$
$ln\left(4x\right)+ln\left(4x+1\right)$
$\lim_{x\to7}\left(\frac{\sqrt{3}-3}{2-\sqrt{x-5}}\right)$
$m^0\cdot m^2$
$dydt+ty=y$
$y\frac{1}{4}-x\frac{2}{3}=-3$
$9x^2\:-\:5y^2+\:2+16x^2+7y^2-3$
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