+dfrac ({e)^n}({e)^n+(n)^2}) ;
+dfrac ({e)^n}({e)^n+(n)^2}) ;
求极限lim _(narrow infty )dfrac ({2)^n+(3)^n+(7)^n}({5)^n+(8)^n}lim _(narrow infty
lim _(narrow infty )(dfrac (1)({n)^2+(e)^-1+1}+dfrac (2)({n)^2+(e)^-2+2}+dfrac (
证明:lim _(narrow infty )(({2)^n+(4)^n+(6)^n)}^dfrac (1{n)}=6.证明:.
lim _(arrow infty )dfrac ({3)^n+(2)^n}({2)^n-(3)^n}=_________。_________。
(6) lim _(narrow infty )dfrac ({5)^n-(3)^n}({5)^n+(2)^n}
【题目】-|||-(11) lim _(narrow infty )sqrt [n]({2)^n+(3)^n+(4)^n}= __-|||-(12)设 lim
lim _(narrow infty )dfrac ({2)^n+(3)^n}({2)^n+1+(3)^n+1}=________;________;
求极限lim _(narrow infty )dfrac ({5)^n+(2)^n}({5)^n-(3)^n}求极限