Question

Calcule a seguinte integral indefinida
∫▒dx/x^4

Answer 1

$\int\limits {} \, \frac{dx}{x^4} \\ \\ \int\limits {x^{-4}} \,dx \\ \\ \frac{x^{-4+1}}{-4+1} +C \\ \\ \frac{x^{-3}}{-3} +C \\ \\ -\frac{1}{3x^{3}} +C$