3.设 =xarcsin dfrac (x)(2)+sqrt (4-{x)^2} 则 dy= __ 。

=xarcsin dfrac (x)(2)+sqrt (4-{x)^2}

设=ln sqrt (dfrac {1-x)(1-{x)^2}}则 dy|=ln sqrt (dfrac {1-x)(1-{x)^2}}设则dy|

3.设 (x)=dfrac (1)(1+2x+4{x)^2} 则 ^(100)(0)= __

4 单选 -|||-设函数 =ln dfrac (sqrt {{x)^2+1}}(sqrt [3]{x+2)}(xgt -2), 则 (0)=-|||-

(3)设L为半圆周 =sqrt (4x-{x)^2-3}, 则 _(1)=(int )_(L)dfrac (1)(sqrt [3]{x)}ds 与 _(2)=(

[题目]设 (x)=sqrt (1+{ln )^2x} 则 (e)=()-|||-A、 dfrac (sqrt {2)}(4)-|||-B、 dfrac (sq

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

求下列不定积分int dfrac ({x)^2}(sqrt {4-{x)^2}}dx求下列不定积分

[题目]设函数 =ln dfrac (sqrt {{x)^2+1}}(sqrt [3]{x+2)}(xgt -2), 则 (0)= ()-|||-