已知 =f(dfrac (3x-2)(3x+2)) '(x)=arctan (x)^2, 则 dfrac (dy)(dx)(|)_(x=0)=.

已知 =f(dfrac (3x-2)(3x+2)) (x)=arcsin (x)^2 ,求 dfrac (dy)(dx)(|)_(x=0).

已知=f(dfrac (3x-2)(3x+2));=f(dfrac (3x-2)(3x+2));则=f(dfrac (3x-2)(3x+2))等于多少?已知;;

(9) int dfrac (x{e)^arctan x}({(1+{x)^2)}^dfrac (3{2)}}dx ;

(int )_(0)^1arctan dfrac (x)(2)dx=()(int )_(0)^1arctan dfrac (x)(2)dx=()(int )_(

方程dfrac (dy)(dx)=dfrac (2y+x)(x)的通解为dfrac (dy)(dx)=dfrac (2y+x)(x)。方程的通解为。

dfrac (dy)(dx)=(x)^2+(y)^2 B . dfrac (dy)(dx)=(x)^2+(y)^2 C .dfrac (dy)(dx)=(x)^

已知 lim _(xarrow 0)([ 1+x+dfrac {f(x))(x)] }^dfrac (1{x)}=(e)^3, 则 lim _(xarrow 0

(7) dfrac (dy)(dx)=dfrac (2{x)^3+3x(y)^2+x}(3{x)^2y+2(y)^3-y}

已知f(x)=(2x)/(sqrt (1-{x)^2)}，则(df(sqrt (1-{x)^2)})/(dx)=(,,,,,)A、-2；B、-dfrac(2x)

微分方程dfrac (dy)(dx)=dfrac ({y)^2+(x)^3}(2xy)的通解为：dfrac (dy)(dx)=dfrac ({y)^2+(x)^