Răspuns :
[tex]\it log_{500}16=\dfrac{lg16}{lg500}=\dfrac{lg2^4}{lg\dfrac{1000}{2}}=\dfrac{4lg2}{lg1000-lg2}=\dfrac{4a}{3-a}[/tex]
[tex]\it log_{500}16=\dfrac{lg16}{lg500}=\dfrac{lg2^4}{lg\dfrac{1000}{2}}=\dfrac{4lg2}{lg1000-lg2}=\dfrac{4a}{3-a}[/tex]