5.设(x)=dfrac (|x-1|)(x-1)，则(x)=dfrac (|x-1|)(x-1)________.A.等于零 B.等于1 C.等于-1 D.不存在

当x→1时,函数dfrac ({x)^2-1}(x-1)(e)^dfrac (1{x-1)}的极限( ) (A)等于2 (B)等于0 (C)为∞ (D)不

当x→1时,函数dfrac ({x)^2-1}(x-1)(e)^dfrac (1{x-1)}的极限( ) (A)等于2 (B)等于0

设函数=dfrac ({x)^2}(x-1),则=dfrac ({x)^2}(x-1)=________.设函数,则=________.

=dfrac {1)(ln 3)(x-1)+1 D. =ln dfrac (1)(3)(x-1)

=dfrac {1)(ln 3)(x-1)+1 D. =ln dfrac (1)(3)(x-1)

2 , 1 B . 1 , 2 C . (x)=dfrac ({e)^x-1}(x), 1D . (x)=dfrac ({e)^x-1}(x), 2设函数，若当

设函数 (x)=dfrac (1)({e)^dfrac (x{x-1)}-1} 则-|||-

lim _(xarrow 1)dfrac ({x)^2-1}(x-1)(e)^dfrac (1{x-1)}=

[题目]设函数 (x)=dfrac (1)(edfrac {x)(x-1)-1} 则 ()-|||-

lim _(xarrow 1)(dfrac (x)(x-1)-dfrac (1)(ln x))-|||-__ __