若logmn等于负1,则2m加3n的最小值是
若logmn等于负1,则2m加3n的最小值是
数学人气:929 ℃时间:2019-12-08 01:38:22
优质解答
logmn=-1,则mn=1,2m+3n>=2sqrt(6mn)=2倍根号6
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