log(0.1)log(0.2)log(0.5)(1/根号5次2)=x,求x的值
问题描述:
log(0.1)log(0.2)log(0.5)(1/根号5次2)=x,求x的值
答
log(0.5)(1/根号5次2)=1/5
log(0.2)1/5=1
log(0.1)1=0,所以x=0.