[tex]\displaystyle\\\log_23-\frac{1}{2}\log_29=\\\\=\log_23-\frac{1}{2}\times\log_23^2=\\\\=\log_23-\frac{1}{2}\times2\times\log_23=\\\\=\log_23-\frac{2}{2}\times\log_23=\\\\=\log_23-\log_23=\boxed{\bf0}[/tex]
Răspuns:
Explicație pas cu pas:
