题目 Problem Determine (i) ∫13x2+12x+24 dx\int \frac{1}{3x^2 + 12x + 24}\,dx∫3x2+12x+241dx (ii) ∫127−6x−x2 dx.\int \frac{1}{\sqrt{27 - 6x - x^2}}\,dx.∫27−6x−x21dx. (8) 题目中文翻译 求下列积分: (i) ∫13x2+12x+24 dx\int \frac{1}{3x^2 + 12x + 24}\,dx∫3x2+12x+241dx (ii) ∫127−6x−x2 dx。\int \frac{1}{\sqrt{27 - 6x - x^2}}\,dx。∫27−6x−x21dx。 解答