$\int\frac{6y-7}{\left(2y+1\right)\left(4y^2-1\right)}dx$

$\int\left(x^6-5x^3\right)\cos3xdx$

$\lim_{x\to0}\left(\frac{f'\left(x\right)}{g'\left(x\right)}\right)$

$36v^2-132v+121$

$-4x^2+18=0$

$\sqrt{10-4}$

$\int\left(\frac{\sin\left(x\right)}{e^{\cos\left(x\right)}}\right)dx$