$\int t^3\sin2tdt$
$-\frac{637}{-49}$
$\lim_{x\to0}\left(\frac{\left(cos\left(8x\right)-1\right)}{sin\left(3x\right)}\right)$
$25x^2+20x+1$
$3p+6j\cdot\left(3p+5\right)$
$\lim_{x\to1}\left(1-x\right)^{inx}$
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