发布网友 发布时间:2022-05-25 12:58
共1个回答
热心网友 时间:2023-10-30 10:04
答案没错就是C,b>a>1比如b=9,a=3,log(a,3)=1,log(b,3)=1/2追答log(10,3)/log(10,a)-[log(10,3)/log(10,b)]>0
[log(10,b)-log(10,a)]log(10,3)/[log(10,b)*log(10,a)]>0
log(10,b/a)log(10,3)/[[log(10,b)*log(10,a)]>0,{a,b>1,log(10,a)>0,log(10,b)>0,log(10,3)>0}
log(10,b/a)>0
b/a>1,
b>a>1