當(dāng)f(x)為下列函數(shù)時.求 為常數(shù)函數(shù).即ff(x)=x2.=xn時的積分值[答案] 查看更多

 

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設(shè)函數(shù)f(x)=x2-ax+bln(x+1)(a,b∈R,且a≠2).
(1)當(dāng)b=1且函數(shù)f(x)在其定義域上為增函數(shù)時,求a的取值范圍;
(2)若函數(shù)f(x)在x=1處取得極值,試用a表示b;
(3)在(2)的條件下,討論函數(shù)f(x)的單調(diào)性.

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設(shè)函數(shù)f(x)=x2-ax+bln(x+1)(a,b∈R,且a≠2).
(1)當(dāng)b=1且函數(shù)f(x)在其定義域上為增函數(shù)時,求a的取值范圍;
(2)若函數(shù)f(x)在x=1處取得極值,試用a表示b;
(3)在(2)的條件下,討論函數(shù)f(x)的單調(diào)性.

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設(shè)函數(shù)f(x)=x2-ax+bln(x+1)(a,b∈R,且a≠2).
(1)當(dāng)b=1且函數(shù)f(x)在其定義域上為增函數(shù)時,求a的取值范圍;
(2)若函數(shù)f(x)在x=1處取得極值,試用a表示b;
(3)在(2)的條件下,討論函數(shù)f(x)的單調(diào)性.

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設(shè)函數(shù)f(x)=x2-ax+bln(x+1)(a,b∈R,且a≠2).
(1)當(dāng)b=1且函數(shù)f(x)在其定義域上為增函數(shù)時,求a的取值范圍;
(2)若函數(shù)f(x)在x=1處取得極值,試用a表示b;
(3)在(2)的條件下,討論函數(shù)f(x)的單調(diào)性.

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設(shè)函數(shù)f(x)=x2-ax+bln(x+1)(a,b∈R,且a≠2).
(1)當(dāng)b=1且函數(shù)f(x)在其定義域上為增函數(shù)時,求a的取值范圍;
(2)若函數(shù)f(x)在x=1處取得極值,試用a表示b;
(3)在(2)的條件下,討論函數(shù)f(x)的單調(diào)性.

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