Question

логорифмы. помогите, чем можете​

Answer 1

$\displaystyle log_{5} ^{2} 50-log_{5}2*log_{5}1250 = log_{5} ^{2} 50-log_{5}2*(log_{5}25*log_{5}50)=log_{5}50*(log_{5}50-log_{5}2*log_{5}25)=$

$\displaystyle =log_{5}50*(log_{5}50-log_{5}50)=log_{5}50*0=0$