(2) (x)=ln (x+sqrt (1+{x)^2});

(11) =ln (x+sqrt (1+{x)^2}) ;

[题目]求导数: =ln (x+sqrt (1+{x)^2})

(19) =ln ((e)^x+sqrt (1+{e)^2x}).

确定函数=ln (x+sqrt (1+{x)^2})的单调区间。确定函数的单调区间。

判断函数(x)=ln (x+sqrt (1+{x)^2})的奇偶性。判断函数的奇偶性。

若 (x)=ln (x+sqrt (1+{x)^2}) 则 (x)=dfrac (1)(sqrt {1+{x)^2}}-|||-5-|||-○ C.若 (x)=

计算下列积分:(3) int (ln )^2(x+sqrt (1+{x)^2})dx ;计算下列积分:(3);

求极限 lim _(xarrow +infty )dfrac (ln (x+sqrt {{x)^2+1})-ln (x+sqrt ({x)^2-1})}( l

求lim _(xarrow infty )dfrac (ln (x+sqrt {{x)^2+1)}-ln (x+sqrt ({x)^2-1})}({({e)^d

确定下列函数的单调区间： =ln (x+sqrt (1+{x)^2})确定下列函数的单调区间：