高数学课趕媒课件 理工大罗理罗即>> Xn+1=√3+ 3+ n+0m≤im(3+xn) 2 Im d n→0 42=3+A 1+√13 1-√13 解得A A (舍) 2 2 ∴im、1+√13 n→ 2 H tt p /www.heut.edu3 , xn+1 = + xn 3 , 2 xn+1 = + xn lim lim(3 ), 2 1 n n n n x = + x → + → 3 , 2 A = + A 解 得 (舍) 2 1 1 3 , 2 1 1 3 − = + A = A . 2 1 13 lim + = → n n x