Question

Rezolvare!Este urgent !
$(4 \sqrt{x} )derivat$
cât este rezultatul?

Answer 1

$\it (x^n)'=nx^{n-1}\\ \\ (4\sqrt{x})'=4(x^{\frac{1}{2}})'=4\cdot\dfrac{1}{2}x^{\frac{1}{2}-1}=2x^{-\frac{1}{2}}=\dfrac{2}{x^{\frac{1}{2}}}=\dfrac{2}{\sqrt x}$