$\frac{6x^2-4^2+7x+3}{3x+1}$

$xy^'-2y=x^2,y\left(1\right)=7$

$\cos\left(x\right)\cot\left(x\right)\sin^2\left(x\right)$

$\int\left(\frac{17}{x^2\sqrt{9x^2+48}}\right)dx$

$10-\left(-8-2\right)$

$\cos\left(\frac{a-b}{2}\right)=\cos\left(\frac{3}{2}\right)$

$\sqrt[n]{\frac{6^n+6^n}{2}}$