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g(x)=lnx+2radical x
g'(x)=
g'(1)=


Răspuns :

(lnx +2√x )'= (lnx)' + (2√x)' = [tex] \frac{1}{x} +2 \frac{1}{2 \sqrt{x} } = \frac{1}{x} + \frac{1}{ \sqrt{x} }= \frac{1}{x}+ \frac{ \sqrt{x} }{x} = \frac{1+ \sqrt{x} }{x} [/tex]