12.求下列函数的导数:-|||-(1) =(e)^-x((x)^2-2x+3) ;-|||-(2) =(sin )^2xcdot sin ((x)^2) ;-|||-(3) =((arctan dfrac {x)(2))}^2 ;-|||-(4) =dfrac (ln x)({x)^n} =-|||-(5) =dfrac (e'-e)(e'+e') ;-|||-(6) =ln cos dfrac (1)(x) ;-|||-(7) =(e)^-(sin ^2dfrac {1)(x)} ;-|||-(8) =sqrt (x+sqrt {x)} ;12.求下列函数的导数:-|||-(1) =(e)^-x((x)^2-2x+3) ;-|||-(2) =(sin )^2xcdot sin ((x)^2) ;-|||-(3) =((arctan dfrac {x)(2))}^2 ;-|||-(4) =dfrac (ln x)({x)^n} =-|||-(5) =dfrac (e'-e)(e'+e') ;-|||-(6) =ln cos dfrac (1)(x) ;-|||-(7) =(e)^-(sin ^2dfrac {1)(x)} ;-|||-(8) =sqrt (x+sqrt {x)} ;

(2) =sin 2xcdot (e)^x ;-|||-(3) =xcos x; ...-|||-(4) =dfrac (1)(1-{x)^2} ;-|||-(

求下列函数的导数:-|||-(1) =arcsin (sin x);-|||-(2) =arctan dfrac (1+x)(1-x);-|||-(3) =ln

求下列函数的导数:-|||-(1) =arcsin (sin x);-|||-(2) =arctan dfrac (1+x)(1-x);-|||-(3) =ln

求下列函数的导数 ( 1 ) =sin dfrac (1)(x)( 2 )=sin dfrac (1)(x)( 3 )=sin dfrac (1)(x)求下列函

求下列函数的导数：f( x )=({x)^2}+2x+1f( x )=xln xf( x )=(sin x)/(({x)^2)+2x+1}f( x )=({e)

求下列函数的二阶导数:-|||-(1) =(cos )^2xcdot ln x;-|||-(2) =dfrac (x)(sqrt {1-{x)^2}}

判断下列函数的奇偶性-|||-(1) (x)=x(sin )^2x:-|||-(2) (x)=xsin (x)^2-|||-(3) (x)=sin (arcta

3.求下列函数的导数或微分.-|||-(1) =ln sqrt (dfrac {2+3{x)^2}(3-sin 2x)} 求y"(0).-|||-(2) =(e

2.求下列函数的导数:-|||-(1) =(x)^3+dfrac (7)({x)^4}-dfrac (2)(x)+12 ;-|||-(2) =5(x)^3-(2

2.求下列函数在指定点的导数:-|||-(1) (x)=xsin x+dfrac (1)(2)cos x ,x=π/4;-|||-(2) (x)=dfrac (