Răspuns :
Salut,
[tex]log_34\cdot log_23=log_32^2\cdot log_23=2\cdot log_32\cdot log_23=\\\\=2\cdot\dfrac{1}{log_23}\cdot log_23=2,\ ceea\ ce\ trebuia\ demonstrat.[/tex]
Green eyes.
Salut,
[tex]log_34\cdot log_23=log_32^2\cdot log_23=2\cdot log_32\cdot log_23=\\\\=2\cdot\dfrac{1}{log_23}\cdot log_23=2,\ ceea\ ce\ trebuia\ demonstrat.[/tex]
Green eyes.