x-0 lim(e^x-e^-x)/sinx

lim(x趋向0）(e^x-e^-x)/x lim(x→0)[e^x-e^(2x)]/x lim(x→0)[e^x-e^(-x)]/sinx=? x-0 lim(e^x-e^-x)/sinx lim(x->0+) e^(1/x) lim(x趋向0）(e^x-x^-x)/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 求极限lim (e^1/x+e)tanx/x(e^1/x-e) x趋于0^+ lim (e^sinx-e^x)/(sinx-x) 求极限lim(x->0)(x+e^x)^2/x lim x-0(x+e^x)^(2/x)要过程 x趋近于0 lim(x+e^x)^1/x lim(x→0)e^x-x-1/x^2 lim趋向0时,e^x-e^-1/X x-0 lim(e^x-e^-4)/xsinx Lim(x/e)^((x-e)^-1),x→e lim (e-(1+x)^(1/x))/x lim(x+e^3x)^1/x