$\frac{\cos\left(\frac{3\pi}{2}-x\right)}{x}$
$\lim_{x\to0}\left(2^x.x^{-\frac{x}{2}}\right)$
$\lim_{x\to0}\left(\frac{\sqrt[2]{x^2+9}-3}{x^4+x^2}\right)$
$\frac{x^2+x^3}{x^2+x^3}$
$\lim_{x\to0}\left(\sqrt{2-x}\right)$
$-25+x=41$
$\int e^{-4x}sinxdx$
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