lim(x→∞)(2x+3)=5.

lim(x→∞)(2x+3)=5. Lim(x→∞)((2x-3k)/2x)-2x= Lim(x→∞)xsin3/x, 求极限 lim [(3+x)/(6+x)]^[(x-1)/2]= x→∞求极限 lim [(3+x)/(6+x)]^[(x-1)/2]=x→∞ f(x)=(2+e^x)/1+e^2x)+ | x|sin1/x求 1)lim[x→+∞]f(x); 2)lim[x→-∞]f(x); 3)lim[x→∞]f(x) lim(x→∞)(7x^3+4x)/(2x^3-x^2+3)=? lim(x→∞)[(X^2+2x+5)/(3x^2-x+1) = 1.lim x->∞ （2x/x^2+1)*cosx 2..lim x->∞{ [(x^2-x)arctanx]/x^3-x-5}3..lim x->0 （e^x-e^-x-2x)/(x-sinx) 4..lim x->0 (sinx-x)/(x^3) 5..lim x->0 (x^2*tanx)/(x-tanx) 6..lim x->0 (1+3/x)^2x 7..lim x->0 (1+2x)^(3/sinx) 8.lim x->∞ (x/1+x)^(x-3) 9..li lim(x)lim(x→∞) [(x-1)/(x+1)]^2x 为什么 lim(x->∞) {[(-2)/(x+1)]*2x} = -4 lim x→∞(2x+1)/(3x-4) lim x→∞(1-2/x)^x= 高数【函数极限】lim (1+1/x)=?x→∞lim(1-3x)∧1/(2x)=?x→0lim[(2x+3)/(2x+1)]∧(x+1)x→∞ 求lim(x→0)x cos 1/x lim(x→∞)x^2/ (3x-1)的极限 lim (1-1/3x)^x x→∞ 求极限lim(1+1/x)^x=e lim x→+∞ xe^(-x)=? lim[x→∞](sin2x)/x=? lim xsin(2/x) x→∞ 设lim（x→0）[f(x)-3]/x^2=100,求lim(x→0)f(x) 证明lim(2x-100)=∞(x→∞)