Răspuns :
[lg ( 8 ·3 ) / ( 4 ·6 ) ] · log 17 = [ lg 24 /24 ] · log 17 = [ lg 1 ] · log 17 =
5 5 5
↓
lg1 = 0
= 0
5 5 5
↓
lg1 = 0
= 0
[tex](lg8-lg4+lg3-lg6)* log_{5}17=(lg \frac{8}{4}-lg \frac{3}{6})* log_{5}17= [/tex]
[tex](lg2-lg \frac{1}{2})*log_{5}17=lg1* log_{5}17 =0 [/tex]
[tex](lg2-lg \frac{1}{2})*log_{5}17=lg1* log_{5}17 =0 [/tex]