问题标题:
(log23+log49+log827+...+log2^n3^n)log932的N次方根
问题描述:

(log23+log49+log827+...+log2^n3^n)log932的N次方根

黄东斌回答:
  log49=2lg3/2lg2=lg3/lg2=log23   log23+log49+log827+...+log2^n3^n   =nlog23=nlg3/lg2   log932的N次方根   (log23+log49+log827+...+log2^n3^n)log932的N次方根=(1/n)(5lg2/2lg3)*nlg3/lg2   =5/2
数学推荐
热门数学推荐