Question

Cat face integrala din 2 pe x³ ?

Answer 1

[tex] \int\limits { \frac{2}{x^3} } \, dx = \int\limits {2\cdot x^{-3}} } \, dx =\\ =2\cdot \int\limits {\cdot x^{-3}} } \, dx=\\ =2\cdot \frac{x^{-3+1}}{-3+1} }+C=-x^{-2}+C=- \frac{1}{x^2}+c [/tex]