已知函数(x)=dfrac (x)(x+2)求 (x)=dfrac (x)(x+2)。

求下列函数的反函数： (1) =dfrac (x+2)(x-2); (1) =dfrac (x+2)(x-2); (1) =dfrac (x+2)(x-2);求

设函数 (x)=(e)^dfrac (1{x-1)}dfrac (ln |x+2|)({x)^2+x-6}求(x)=(e)^dfrac (1{x-1)}dfra

求方程dfrac (dy)(dx)-dfrac (2y)(x+2)=((x+2))^dfrac (5{2)}的通解求方程的通解

[例1] 若函数 (x+2)=sin 2x, 求f(x), (dfrac (1)(x)) 女-|||--10 A

计算函数极限(1)lim _(xarrow 1)dfrac (x-3)(x+2)(2)lim _(xarrow 1)dfrac (x-3)(x+2)(3)lim

(4) lim _(xarrow infty )((dfrac {x+2)(x))}^x;

函数 =dfrac (ln (x+2))(x)+arcsin (2x-1) 的定义域为 __

(14) lim _(xarrow infty )((dfrac {x+2)(x+1))}^x;

int dfrac (xdx)((x+1)(x+2)(x+3)); ;

16、求极限 lim _(xarrow infty )((dfrac {x-1)(x+2))}^3x