函數(shù)y=log^2(1/3)x+log1/3x+1的單調(diào)區(qū)間[log^2(1/3)表示log的平方以1/3為底x的對(duì)數(shù)]
函數(shù)y=log^2(1/3)x+log1/3x+1的單調(diào)區(qū)間[log^2(1/3)表示log的平方以1/3為底x的對(duì)數(shù)]
優(yōu)質(zhì)解答
y=[log(3)x-1/2]^2+3/4
當(dāng)log(3)x>=1/2 x>=根號(hào)3時(shí),函數(shù)單調(diào)遞增
當(dāng)log(3)x<1/2 0