极限lim√(4x^2+1)+ln(1+1/x)/(-x+2sinx) x趋于负无穷大
极限lim√(4x^2+1)+ln(1+1/x)/(-x+2sinx) x趋于负无穷大
求极限 x趋于无穷大 lim[x-x^2ln(1/x+1)]
求lim(x趋于无穷大)(ln(x^2-x+1)/ln(x^10+x+1))的极限
lim ln(1+x)/x^2(x趋于0)和lim x^2sin1/x/sinx(x趋于0)的极限是多少?
极限问题:lim(√sinx+1-sin√x),x趋于无穷大
limx趋于无穷大时求x[ln(x-2)-ln(x+1)]的极限
lim( (2x+3)/(2x+1) )^(x+1) x趋于无穷大的极限
lim(2x^2+1/3x-1)•sin1/x. X趋于无穷大,求极限
lim(2x^3-x^2+1)/(3x+1) (x趋于无穷大)的极限
lim(3^x+9^2x)^1/x,x趋于无穷大,求极限!
求极限:lim{[x-ln(1+tanx)]/sinx*sinx},x趋于0, 求帮忙
lim x趋于0 (sinx+x^2sin1/x)/[(1+cosx)ln(1+x)]