$\lim_{x\to\infty\:}\left(\frac{sin^4x}{\sqrt{x}}\right)$
$-9=w-2$
$\frac{1}{x^4+4}$
$\int\left(2cosx+cos^3x\right)dx$
$\left(\frac{3}{4}a+\frac{1}{3}b\right)^2$
$\left(6h+2k\right)\left(5h+4k\right)$
$\lim_{x\to-\infty}x^3-3x^2-1$
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