$2+5b^2+8b^2+1$
$\frac{du}{dt}-\frac{2tu}{t^2+1}=-\frac{2t}{t^2+1}$
$\frac{5}{\sqrt{2}}\arccos\left(241\right)$
$\int3x^2\left(3x^3+3\right)^6dx$
$64\left(2x+245\right)\left(4x^2+2x+1\right)$
$\left(4a-5b\right)^5$
$154:-7$
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