10.求下列函数的极值:-|||-(1) (x)=|x((x)^2-1)|;-|||-(2) (x)=dfrac (x({x)^2+1)}({x)^4-(x)^2+1};-|||-(3) (x)=((x-1))^2((x+1))^3.-|||-11.设 (x)=aln x+b(x)^2+x 在 _(1)=1, _(2)=2 处都取得极值,试求-|||-a与b;并问这时f在x1与x2是取得极大值还是极小值?-|||-12.在抛物线 ^2=2px 上哪一点的法线被抛物线所截之线段为-|||-最短?-|||-B-|||-a-|||-M A-|||-x-|||-d-|||-图 6-11-|||-13.要把货物从运河边上A城运往与运河相距为 BC=akm 的 图 6-11-|||-B城(见图 -11, 轮船运费的单价是α元 , 火车运费的单价是β元 (beta gt alpha ), 试求运河边上的-|||-一点M,修建铁路M B,使得A→M→B的总运费最省.

.已知 (dfrac (1)(x))=dfrac (4)(x)+2(x)^2+1, 求f(x), ((x)^2+1)

函数(x)=(({x)^2+1)}^2,则(x)=(({x)^2+1)}^2(x)=(({x)^2+1)}^2函数,则

函数(x)=(({x)^2+1)}^2,则(x)=(({x)^2+1)}^2(x)=(({x)^2+1)}^2函数,则

求下列函数的微分:-|||-(1) =dfrac (1)(x)+2sqrt (x);-|||-(2) =xsin 2x;-|||-(3) =dfrac (x)(

求下列函数的微分:-|||-(1) =dfrac (1)(x)+2sqrt (x);-|||-(2) =xsin 2x;-|||-(3) =dfrac (x)(

6、求函数 (x)=dfrac (x)({x)^2+1} 的单调区间和极值.

int (x)^3(e)^-(x^2)dx=(,,,,,)A、dfrac(1)(2)(e)^-(x^2)((x)^2+1)+CB、-dfrac(1)(2)(e)

单选题-|||-(中)-|||-已知函数 =dfrac ({x)^2+1}(x) ,则 ^m= __-|||-A .dfrac ({x)^2-1}({x)^2}

3.求下列函数的微分:-|||-(1) =dfrac (1)(x)+2sqrt (x);-|||-(2) =xsin 2x;-|||-(3) =dfrac (x

3.求下列函数的微分:-|||-(1) =dfrac (1)(x)+2sqrt (x) =-|||-(2) =xsin 2x ;-|||-(3) =dfrac