Question

Cat este integrala din x la puterea -3 dx

Answer 1

$\int {x}^{ - 3} \: dx = \frac{ {x}^{ - 3 + 1} }{ - 3 + 1} = \frac{ {x}^{ - 2} }{ - 2} =-\frac{{x}^{-2}}{2}=-\frac{\frac{1}{{x}^{2}}}{2}$

$=-\frac{1}{{x}^{2}} \times \frac{1}{2}=-\frac{1}{2{x}^{2}}+C$