[tex] log(6) \sqrt{15} \div log(6) 15 = [/tex]

по формуле log(a)bⁿ=nlog(a)b√15=15^(1/2) log(6)√15/log(6)15=(log(6)15^(1/2))/log(6)15=(1/2)(log(6)15)/log(6)15)=1/2=0.5