(2)微分方程 (x-2)dfrac (dy)(dx)=y+2((x-2))^3 的通解为 ()-|||-(A) =(x-2)-C((x-2))^2 (B) =C(x-2)+((x-2))^3-|||-(C) =((x-2))^3+Cx (D) =((x-2))^3+(Cx)^2

微分方程(x-2)y=y+2((x-2))^3的通解是（）A (x-2)y=y+2((x-2))^3B (x-2)y=y+2((x-2))^3C (x-2)y=

(9)(x-2)(dy)/(dx)=y+2(x-2)^3;(9)$(x-2)\frac{dy}{dx}=y+2(x-2)^{3}$;

函数(x)=dfrac (1)(x-2)的间断点是(x)=dfrac (1)(x-2)(x)=dfrac (1)(x-2)、(x)=dfrac (1)(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

下列各函数中哪些是周期函数?对于周期函数指出其周期.(1)=cos (x-2)(2)=cos (x-2)(3)=cos (x-2)(4)=cos (x-2)(5

lim _(xarrow 2)dfrac ({x)^3+2(x)^2}({(x-2))^2}。。

lim _(xarrow 2)dfrac ({x)^3+2(x)^2}({(x-2))^2}

lim _(xarrow 2)dfrac (sin (x-2))({x)^2-4}=lim _(xarrow 2)dfrac (sin (x-2))({x)^2

已知f(2x+1)=x-2，求f(2x+1)=x-2。已知，求。

(5) lim _(xarrow 2)dfrac ({x)^3+2(x)^2}({(x-2))^2} ;