$\int\frac{1}{\sqrt{x^2+1+2x\cos\left(a\right)}}dx$
$\frac{2\left(-\csc^2\left(0\right)\right)}{-\csc\left(0\right)}$
$x^2+8>6x$
$-y^2-4y+1-y-3$
$\int\left(x+2\right)^2ln\left(x\right)dx$
$9\:+\:8$
$5x^4y-80x^4$
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