$4sen^2\left(x\right)-11sen\left(x\right)+6=0$

$36x^2-48x+1$

$\left(8x\right)\left(\tan\left(2x\right)\right)+\left(4x^2-3\right)\left(2\sec^2\left(2x\right)\right)$

$\int\left(x^2-4\right)e^{2x}dx$

$y'\:+\:4y\:=\:3\:sen\:2x$

$200x^3-40x^2-2x$

$5\log_b\left(2\right)$