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lim(2x^2+1/3x-1)•sin1/x. X趋于无穷大,求极限
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lim( x^2 sin1/x)/x,也是求极限,x趋于0
lim x趋于0 (sinx+x^2sin1/x)/[(1+cosx)ln(1+x)]
limx趋于无穷,(x+1)sin1/x等于多少?
求lim[x趋于无穷]{(x^3)*ln[(x+1)/(x-1)]-2x^2},答案为2/3,
lim(x趋于无穷)[(x+3)/(x^2-x)]*(sinx+2),求函数极限
高数求极限求lim【x-x^2ln(1+1/x)】,x趋于无穷.
求极限:lim[(x^2sin1/x)/tanx],x趋于0