f(x)=x+a/(x+1)=(x+1)-1+a/(x+1)
若a>1,則當(dāng)x+1=√a,即x=(√a)-1時(shí),f(x)min=(2√a)-1
若0
設(shè)函數(shù)f(x)=x+a/(x+1),x∈[0,+∞),求f(X)的最小值
設(shè)函數(shù)f(x)=x+a/(x+1),x∈[0,+∞),求f(X)的最小值
數(shù)學(xué)人氣:531 ℃時(shí)間:2019-08-17 03:38:58
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