Resolver la ecuación $\frac{x}{x+1}>\frac{x-1}{x+2}$

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

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

Calcular la integral

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