计算极限 lim X2-3X+2 -------------- x→2 X2+5X-6
计算极限 lim X2-3X+2 -------------- x→2 X2+5X-6
求lim x2+2x+5/3x2-x+1怎么用那个公式求极限?
求极限lim X→∞ [1+ x2/2 -√(1+ x2)]/(cos x –e x2 )sin x2 亲
lim(sinx/X2+3X)x趋于零时的极限
计算极限Limx2-2x-3分之X2-9
T求下列函数的极限lim(x→∞)x3+2x/x2+1.lim(x→∞)(x-4/x+1)2x-1[次方
请求:二元函数求极限lim (x2+y2 )1/2-sin(x2+y2 )1/2(x,y→0) (x2+y2 )3/2请
lim(x→0﹚(3次根号下1+x2)/x2的极限
lim(x->∞)x2+x+2/2x3-x 求极限
求极限lim x—>0(√(1+x)+√(1-x)-2)/x2
求解sin(x)+lim(x→-∞)+2/x*[x,(x+2)*3]/x+x6+x2/(x+[x,x2+2x])+√x
化简计算~1/(x2-5x+6) - 1/(4x-x2-3) - 1/(3x-x2-2)