Hallar la derivada $\frac{d}{dx}\left(\frac{x^7\left(x-1\right)^2}{\left(x+2\right)^2\left(x^2+1\right)^3}\right)$

Calcular la integral

$\int xdx$

Calcular la integral

$\int\left(x\cdot\cos\left(2x^2+3\right)\right)dx$

Calcular la integral

$\int x\left(x^2-3\right)dx$

Calcular la integral

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

Calcular la integral

$\int x^2\cos\left(2x\right)dx$

Calcular la integral

$\int x^2\ln\left(x\right)dx$

$\frac{d}{dx}\left(2x+1\right)$