求极限lim(x→2)(3x^2+5x-7)
求极限lim(x→2)(3x^2+5x-7)
求极限lim(x→2)(3x^2+5x
求极限 lim x→∞(2sinx/x-)
求极限:lim(x→无穷)(2-x/3-x)的x+2次方
求极限 lim(x->3)(x+1)/(x^2-5x+6)
求极限(1) lim(x→2)(3x²-2x-1)/(2x³-x²+5)(2)lim(x→
求极限lim (3x^3+5x^2+x) / (7x^3+5x-4)
求极限 1,lim(x→∞)(sinx/x +100) 2,lim(x→∞)xtan1/x 3,lim(x→1)sin^
求极限lim[3x平方+5/5+2]sin3/x (x趋于无穷时)
lim x →2 (2/2x-x^2 +1/x^2-3x+2)求极限
求极限lim(x→∞)[(2x+5)/(2x+3)]^(x+1)
求lim(x趋向1)(x^2-3x+2)/(1-x^2)的极限