$2v-2\le3v$

$\left(\frac{4g^{2}b^{2}}{a^{3}b^{2}}\right)\left(\frac{5a^{2}b}{2b^{4}}\right)$

$\lim\:_{x\to\:\infty\:}\left(\sqrt{4x^2+5x+6}-2x+8\right)$

$sec^2\theta\:+sec\theta\:\:tan\theta\:$

$\int\left(x^2\sin\left(-5x\right)\right)dx$

$\lim_{x\to2}\left(4x-5\right)$

$20y^2-y-1$