求解sin(x)+lim(x→-∞)+2/x*[x,(x+2)*3]/x+x6+x2/(x+[x,x2+2x])+√x
求解sin(x)+lim(x→-∞)+2/x*[x,(x+2)*3]/x+x6+x2/(x+[x,x2+2x])+√x
求极限lim X→∞ [1+ x2/2 -√(1+ x2)]/(cos x –e x2 )sin x2 亲
计算极限 lim X2-3X+2 -------------- x→2 X2+5X-6
求极限 ((sin(x^3+x^2-x)+sin x) /x x→0 已知lim sinx/x=1
(x2+3x+9)/(x2-27)+(6x)/(9x-x2)-(x-1)/(6+2x)
证明lim x→∞ x(根号x2-4根号完-x)=-2
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
(x-2)(x2-6x-9)-x(x-5)(x-3)其中x= -1/3
2x-(3x-1)+2(x2)
几道求极限的高数题,lim1/x(tanπx/(2x+1)) x→∞lim x(x^x-1)x→0+lim(x^x^x-
因式分解 (x2-2x-x)(x2-2x+4)+9
1.2-5x+x*x2.2x*x-5x+13.x*x-3/2*x-24.-x*x-4x+3