$\int\text{tg}^7x\sec^4xdx$
$\frac{20\:x^{15}}{4\:x^7}$
$\int_0^{\frac{\pi}{4}}\left(22\sec^4\left(x\right)\right)dx$
$3a^2-5a+2$
$\int\frac{2x-1}{\sqrt[3]{x^2-x+1}}\:dx$
$x^3-27x+54$
$\int sin\sqrt{t}dt$
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