$\int\left(2-4x\right)^5dx$

$\int\:\frac{x^2-4x+3}{\left(x-1\right)^2\left(x^2+1\right)}dx$

$104.05-0.577\left(3.95\right)$

$\frac{dy}{dx}\left(x^4+x^2y^2-y^5=2x+1\right)$

$\int5x^{-7}dx$

$\frac{d}{dx}\ln\left(y\right)^9$

$\csc\left(x\right)\sec\left(x\right)-\cos\left(x\right)$