log4(log5 a)=log3(log5 b)=1,求a/b.
问题描述:
log4(log5 a)=log3(log5 b)=1,求a/b.
答
log4(log5 a)=1 log5 a =4 a=5^4=625
同理,b=5^3
所以a/b=5