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a=log in baza 3 din 8 * log in baza 4 din 9. Ma poate ajuta cineva va rog?

Răspuns :

Salut,

[tex]A=log_32^3\cdot log_{2^2}3^2=3\cdot log_32\cdot2\cdot log_{2^2}3=6\cdot log_32\cdot\dfrac{1}{log_32^2}=\\\\=6\cdot log_32\cdot\dfrac{1}{2\cdot log_32}=\dfrac{6}2=3.[/tex]

Green eyes.