lim(Sin(x+2)分之(x²-x-6)),x趋向于-2
lim(x趋向于0)(1-cosx)/x^2
求极限lim (e^x)- (e^-x) -2x / (tanx-x) x趋向于0
求极限:1.lim(X趋向于无穷)(X-1分之X+1)的X次方2.lim(X趋向于无穷)(1+X分之2)的3X次方3.l
极限lim【sin(x+π)】/x x趋向于0 就能推出lim【sin(x+π)】/x =lim(-sinx)/x =-
高等数学[函数极限]lim(x趋向正无穷大)x*sin 2/x
求极限!lim(x趋向于1)x的平方+2x+3/x+2
lim[ln(2^x+3^x)^(1/x)](x趋向于无穷) 结果是什么
若lim[x/f(3x)]=2(x趋向于0),则lim[f(2x)/x]=?(x趋向于0)
求lim (sin^2x+x)/(cos^2x-x) x趋向于无穷
求lim(x趋向于3时)sin(x-3)/(x的平方减9)
lim(x趋向于0)(1+sinx-cosx)/(1+sinβx-cosβx)
lim(x/(1+x^2)),x趋向无穷大