Question

cat e integrala din x supra radical 16-x patrat dx ?

Answer 1

Avem formula de integrare: $\int\limits { \frac{x}{ \sqrt{a^2-x^2} } } \, dx=arcsin \frac{x}{a}+C,deci, \int\limits { \frac{x}{ \sqrt{4^2-x^2} } } \, dx =arcsin \frac{x}{4}+C$