lim,x区于1,x^2-3x+2/x^2-1计算极限
举一反三
- 求极限lim(x→1)(2/x^2-1)-(1/x-1)
- 求极限lim(x→2)(x^2-3x+2)/(x^2+4x-12)
- 积分[img=136x52]1803d6afd4e6f95.png[/img]的计算程序和结果是 A: clearsyms xy=1/x^2/sqrt(x^2-1)int(y,x,-2,-1)3^(1/2)/2 B: clearsyms xint(1/x^2/sqrt(x^2-1),x,-2,-1)3^(1/2)/2 C: clearsyms xint(1/x/sqrt(x^2-1),x,-2,-1)-pi/3 D: clearsyms xint(1/x/sqrt(x^2-1),x,-2,-1)3^(1/2)/2 E: clearsyms xint(1/x^2*sqrt(x^2-1),x,-2,-1)log(3^(1/2) + 2) - 3^(1/2)/2
- 【单选题】极限 lim x → 0 1 − cos 3 x x sin 3 x 的值为? A. 0 B. 1/6 C. 2/3 D. 3/2
- 求下列极限：(1)lim(x→0)(∫x0ln(1＋2t^2)dt／x^3