$\left(1-\frac{a^2}{5}\right)^2$
$\sqrt{14\left(x+h\right)+1}-\sqrt{14x+1}$
$cos\left(2sentx+1\right)=0$
$5-3x\ge1$
$\lim_{y\to0}\left(\frac{3x-6}{2}\right)$
$\sin\left(3x\right)=\frac{\sqrt{2}}{3}$
$\lim_{x\to\infty}\left(\frac{2x^2-2x^2+x-3}{x^3+2x^2-x+1}\right)$
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