(2) (x)=ln (x+sqrt (1+{x)^2});
=ln (1+(e)^2x)+ln 2
(11) =ln (x+sqrt (1+{x)^2}) ;
[题目]设 (x)=sqrt (1+{ln )^2x} 则 (e)=()-|||-A、 dfrac (sqrt {2)}(4)-|||-B、 dfrac (sq
求lim _(xarrow infty )dfrac (ln (x+sqrt {{x)^2+1)}-ln (x+sqrt ({x)^2-1})}({({e)^d
[题目]求导数: =ln (x+sqrt (1+{x)^2})
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。
( 单选题 ) int dfrac ({e)^x}(1+{e)^2x}dx=_________int dfrac ({e)^x}(1+{e)^2x}dx=int
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: