1、( ) 12 20 17 12 22r 120 1( 14 7 o o )1 y Z _ 4 “ x 3x 5 (“) Re a d X: 16 71r en X 5 y 2El s ey x: E n d f ; p r in t yb n n n = = = = iS6 (o 4)r . l = 0 x + (o + 2) = 01 &7 f (x ) = In x + y - 1(x )8 m O - x z + m y 2 _ 1 “ a 1 l 1 a r + y 1 = 0 12 + a y 2 = 0f (x ) = 3 + m x m O q p q “ p q9 r ) =
2、2f ( 1)1n x x 1(x )10 y x + b y = b =1 L x A BCD C D12 A (3 , 1) B ( 4 0) P L = 12 5 9PA + P B13 x o y A (1 , 0) (4 , 0) (x a ) 2 + y 2 . 1 P = a1 4 1(x ) = . 3 + 2 a x + 2 a + 8 0 a( 6 90 0 )15 ( 14 )p : v x 0 2 d 1 + m l 0(1) . & 1n(2) p q m16 ( 14 )x ) = 3 + a x z + x + b x - 1 3(1) x )(2) 1(x )
3、x E 0 , 22 417 ( 15 )C , y 2 . 2 p x (p O) r I u o , . o )(1) ( I J 3 ) C , C ,(2 ) C, P , Qp gC ,18 ( 15 )A OB I , PB o P p Q o A Q p q A o p p gP o g p g 3a2 a o L A Op = e 4 ,(0 )(1) (e ) o(2 ). :3 419 ( 16 )= 1 (a b 0 ) t F1 F2 / A , A 2Bz , B r B z OFz 2 / A 2 r D t A zA , D C(1)(2) A , C - 2 CD 0 D(3) M20 ( 16 ) (x ) = x l n x g (x ) = k (x 1)(1) k = e (x ) = - X )(2) k o , 2 1 , 2 I “ “ ) l ( “ 1 l # ( x 1 1 kx 1 x z x 1 x z(3) k h (X ) = 1(X ) y (“ 1 e k
