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

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

设=(({x)^2+1)}^x,则=(({x)^2+1)}^x设,则

(1)设 ((x)^2+1)=(x)^4+(x)^2+1, 则 ((x)^2+1)= __ .

13.函数(x)=xsin ((x)^2+1)的一个原函数(x)=xsin ((x)^2+1).A.(x)=xsin ((x)^2+1)B.(x)=xsin (

(5)(x^2+1)^2+4x(x^2+1)+4x^2(5)$\left(x^{2}+1\right)^{2}+4x\left(x^{2}+1\right)+4

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

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)^

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

[题目]-|||-已知 (x)=2(x)^2+1, 则 f(2x+1)= __

已知 (x+1)=(x)^2+1, 则 f(x)= __