$\int\left(x^3\sqrt{2x^4-1}\right)dx$
$\sqrt{\sin^2\left(x\right)}+\cos^2\left(x\right)$
$\left(\cos\left(200x\right)\right)^2$
$y\sin\left(x\right)dx-y^2\cos\left(x\right)dy=0$
$y=3cos4x+\frac{1}{2}sen4x$
$\lim_{x\to3}\frac{x-2}{1-\sqrt{3x-5}}$
$\left(8-7\right)^2+-4\cdot11$
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