6;SK.2. kY3;3. /4;4. 5 K,100, m 120.K n o o :x3 sin1x;x6= 0;0; x = 0; f0(0) 9 f00(0).2. ( 5)sin xy = x2 +y2 (y = y(x), y0(x) 9 y00(x).3. ( 5)x = t cos t; y = t sin t, y0(x) 9 y00(x).56(A)14 7 o!y = (x+ 1)2 x23 /(10).56(A)15 7 !yeK(30)1. ( 10) e x1 = 32; xn = 1 + 2xn 11 +xn 1(n = 2;3; ),K limx!1xn = 1 +p52 .2. ( 10) cos 3px3( 1;+1) Y, cos (x3)K,.56(A)16 7 3. ( 10)f(x)3(a; b) , f00(x) 2f(x1) +f(x2)3 .56(A)17 7
