∫ (-∞,+∞) 1/(X^2+2X+2) dX

Lim [x^2/(x^2-1)]^x (x→∞) lim(1+x/x)2x (x→∞) 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→∞)[(X^2+2x+5)/(3x^2-x+1) = lim(x→∞)(4x^3+2x-1)/(2x^3-3x+1) lim(x->+∞）[3^x+2^x]/[(3^x+1)+(2^x+1)] 求lim(x->∞):[√(4x^2+x-1)+x+1]/[√(x^2+sinx)] lim(x→∞)(2x^3-x^2-3)/(x^3-x+1) lim(x→∞)[（x^3+x^2+x^1+1)^(1/3) - x] 的极限. lim(x→∞)(x^2+x)/(x^4-3x-1)的极限 求极限 limx→∞ (x+1)(x+2)(x+3)(x+4)/x^4 *-----------------------------------------------*| 6 4 X | 8 X X | X X 5 || X X X | X X X | X 7 8 || X X X | X X X | X X X ||---------------+---------------+--------------- || X X X | X X X | 5 1 X || X X X | X 6 X | X X X || 8 X X | 3 5 X | 2 X X || 填九宫格帮帮忙.x x 6 x x 7 x x 98 x x x 3 x 1 x x 9 x x 6 x 5 x 3 x x x 3 x x x x 1 8x x x 9 x 1 x x x2 1 x x x x 6 x x x 6 x 7 x 3 x x 1 x x 9 x 2 x x x 47 x x 8 x x 5 x x x/2-1lim(1-2/x)x→∞ lim(x→∞)(1-2/x)^2x lim(x→∞)(1-2/x) (x+1)次方 计算 x－∞lim(1+1/x)^2x limx→∞{x-x^2*In(1+ x^-1)