计算3^log3(√5)+√3^log3(1/5)=log3(√5)就是log以3为底的根号5

题目详情

计算3^log3(√5)+√3^log3(1/5)=
log3(√5)就是log以3为底的根号5

▼优质解答

答案和解析

=√5+√3(log√3(1/5)/(log√3(3))
=√5+√3(1/2log√3(1/5))
=√5+√3log√3(√(1/5))
=√5+√5/5
=6√5/5

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