Question

Qual a integral de f(x)= x² +1/x?

Answer 1

$\int\ {x^2+ \frac{1}{x} } \, dx = \int\ {x^2} \,dx+ \int\ {\frac{1}{x} } \,dx = \frac{x^{(2+1)}}{2+1} +lnx = \frac{x^3}{3} +lnx + C$