$ty'-3y=t^4$
$x^2-20x-75$
$\frac{\sin\left(x\right)}{\cos\left(x\right)+1}+\frac{\sin\left(x\right)}{\cos\left(x\right)-1}=2\cot\left(x\right)$
$\frac{dy}{dx}=ez$
$-0.5\left(2048\right)$
$8.0\cdot10^2$
$\lim_{x\to0}\left(1+4x^3\right)^{\frac{2}{x^4}}$
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