lim (x^2sin1/x) /sinx

lim x→0 sin(x^2sin1/x) / x 等于多少? lim (x^2sin1/x) /sinx lim x-->正无穷 (x^2 sin1/x) 怎么算? 正无穷lim(x^2+x)sin1/x lim(x→+∞)(π/2-arctanx)/(sin1/x) lim(x→+∞)(π/2-arctanx)/sin1/x, lim(x(sin)^2) lim(X->0) sin1/X=? 1、lim(x->无穷大) e^x arctanx2、lim(x->0)sinx√1+sin(1/x)3、lim(x->无穷大)【（√x^2+x+1）-【(√x^2-x+1)】4、lim(x->无穷大)((x+{x+(x)^0.5]^0.5}^0.5)/(2x+1)^0.55、lim(x->0)(sin3x+x^2sin1/x)/((1+cosx)x)6、lim(n->无穷大)(2^n)(si lim(x→0)(x*sin1/x)/x^2极限为什么不存在?lim(x→0)(x*sin1/x)/x^2= lim(x→0)1/x*sin1/x 为什么这两个无穷小量不可以比较呢 lim(2x^2+1/3x-1)•sin1/x. X趋于无穷大,求极限 求极限lim(x→0)[2sinx+x^2(sin1/x)]/ln(1+x) lim [2x(sin1/x)-(cos1/x)]/cosx 为什么极限不存在?x→0 lim x趋于0 (sinx+x^2sin1/x)/[(1+cosx)ln(1+x)] 求lim(x^3(sin1/x-1/2*sin2/x)) x趋于无穷 X→0,lim(sin1/x+cos1/x)^x 求极限lim(x→2)(x^2-4)sin1/(x-2), 求极限lim{(x^2/sinx)×sin1÷x}x趋向0