6:Oy:3:):;:KLd13I)mm!c?(a, 2018c3)/: 4 m: 180 : 100 K n o 8 o 20 15 15 20 15 15 1005: 1.8K.2. kKL3dm,3.3. K, k69IP.4. XKx ,3,IK.!(K20,zK5)WK:x = sin t2;y = t sint;z = sin 2t;t20; .K1.Zesinxcosxcosydx sinydy+ coszdz = :(4) g.f(x1;:;xn) = (x1;:;xn)A0BBBBBx1x2.xn1CCCCCA A0BBBBBBBB1 a a aa 1 a a. . . . .a a 1 aa a a 11CCCCCCCCA,n 1;a2R.Kf3CeIO/ .1!(K15)3mIXek 09S :A(x0;y0;z0)LA: S kI . y3 S = S .26:Oy:3:):;:KLdn!K15A;B;CnE 0. y:Z 10jf0(x)jdx6 2Z 10jf(x)jdx+Z 10jf00(x)jdx:46:Oy:3:):;:KLd!K15 2(1;2), (1 x)MaclaurinC1 0vC1x(t) j_x(t)jC2x(t);t2R:6