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sa se determine derivata functiei f(×)=(3logb3x+x)(1-x) pe domeniul de existenta

Răspuns :

([tex] \frac{3}{xln3} [/tex]+1)(1-x)-(3logb3x+x)=[tex] \frac{3}{xln3} [/tex]-[tex] \frac{3}{ln3} [/tex]-3logb3x+x