$\int\frac{t^3}{\left(2-t^2\right)^{\frac{5}{2}}}dx$
$\sin\left(x\right)\frac{dy}{dx}=y\cos\left(x\right)$
$2x^2+28x-5$
$\int e^{3x}\left(x^4+3x^2+5\right)dx$
$3\tan^2x\:-\:\sec^2x-5=0$
$b^nb^n$
$2-x^{2}=4x$
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