lim x-->正无穷 (x^2 sin1/x) 怎么算?
1.lim (sin1/x^2)^1/2
【求极限】(x趋向正无穷)lim((x^2)/arctanx).
(1)limx趋于0 x乘以sin1/x 是多少 (2)趋于正无穷呢
求lim(x→0)[(x^2sin1/x)/sinx]
x趋向正无穷 lim[(x+a)/(x-a)]^x
极限中x无穷(∞),则Lim x² · sin1/x² 是多少?
lim(x趋向正无穷)根号[(x+p)(x+q)]-x怎么做?
利用有界量乘无穷小依然是无穷小求极限,题目是lim(x趋近0)x^2sin1/x还有lim(x趋近于无穷)arctanx
lim (sqrt(x+2)-sqrt(x))/(sqrt(x+1)-sqrt(x)) (X趋近于正无穷)
lim(x趋向正无穷)[x]*sin(1\x)=?
lim(x→+∞)(π/2-arctanx)/sin1/x,
求limx^2(sin1/x)/根号(2x^2-1)在x趋向于正无穷的极限