limx趋近于0sin(1/x)/(1/x)
limx趋近于0(sinx/x)^(1/x^2)
limx趋近于0 (tanx-sinx)/sin^3x
lim1/根号n*sin (n趋近于无穷),limx^3+1/4-x^2(x趋近于2),limx^2+1/x-1/x^2
求极限limx趋近于0 (arcsinx/x)^(1/x2)
limx^2sin(1/x^2),x趋近于0,为什么不能用等价无穷小替换
limx-1/x ,求x趋近于1的极限?limπ(x-1)/sin(πx) ,求x趋近于1的极限?π是派~
limx(e^1/x-1) x趋近于无穷
limx趋近于无穷2x^3-x+1
limx趋近0 x^2sin(1/x)/sin2x 的极限
limx趋近于-0∫0√x sin(x^2)dx/√(x^3)
limx趋近于0sin3x/2x
limx趋近于0[3e^(x/x+1)-1]^(sinx/x)求极限