1.求下列极限.-|||-(4) lim _(xarrow +infty )dfrac (ln (1+dfrac {1)(x))}(dfrac {pi )(2)-arctan x}-|||-__

极限 lim _(xarrow +infty )dfrac (ln (1+dfrac {1)(x))}(arctan x)

(9) lim _(xarrow +infty )dfrac (ln (1+dfrac {1)(x))}(arctan x) :

(9) lim _(xarrow +infty )dfrac (ln (1+dfrac {1)(x))}(arctan x)-|||-()

(9) lim _(xarrow +infty )dfrac (ln (1+dfrac {1)(x))}(arctan x) ,

求下列式子的极限：lim _(xarrow +infty )((dfrac {pi )(2)-arctan x)}^dfrac (1{ln x)}-|||-__

lim _(xarrow +infty )dfrac ({int )_(1)^(x^2)arctan dfrac (t)(2)tdt}({x)^3ln (1+d

求下列极限lim _(xarrow infty )dfrac ({(1+dfrac {1)(x))}^(x^2)}({e)^x}求下列极限

用洛必达法则求下列极限:-|||-(9) lim _(xarrow +infty )dfrac (ln (1+dfrac {1)(x))}(arctan (x)

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

[题目]求极限 lim _(xarrow infty )[ x-(x)^2ln (1+dfrac (1)(x))] .