Ch12-2

Ch12-2 - 转转 转转转转转转转转转 转转 转转...

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Unformatted text preview: 转转 转转转转转转转转转 转转 转转 转转 转转 转转 转转 转转转 解解解解解解解 x x f y y g d ) ( d ) ( = 解解解解解解解 ) ( ) ( d d 2 1 y f x f x y = ) ( d ) ( 1 1 = + x N x x M y y N y M d ) ( ) ( 2 2 转转转转 解解解解解解解解解 : x x f y y g d ) ( d ) ( = 转 y 转 ( x ) 转转转 转转 ① , x x f x x x g d ) ( d ) ( )) ( ( ≡ ′ ϕ ϕ 转转转转 , 转 y y g d ) ( ∫ x x f d ) ( ∫ = ① C x F y G + = ) ( ) ( 转转转转转 ) ( y G ) ( x F ② 转 G ( y ) 转 F ( x ) 转转转 G’ ( y ) 转 g ( y )≠0 转 , 转转转 转转转转转转 ② y 转 ( x ) 转 转转 ① . 转转 转 转转转转 转 ② ① 转转转转 , 转 转转转 . 转转 , 转 F’ ( x ) = f ( x )≠0 转 , 转转转转转转 , 转 转转转转转转 ② x 转 ( y ) 转转 转转 ① . 转转 转转 转转 转转 转转 转转 解 1. 转转转转转 y x x y 2 3 d d = 转转转 . 解 : 转转转转转 x x y y d 3 d 2 = 转转转转 x x y y d 3 d 2 ∫ ∫ = 转 1 3 ln C x y + = C x y ln ln 3 + = 转 1 3 C x e y + ± = 3 1 x C e e ± = 3 x e C y = 1 C e C ± = 令 ( C 转转转转转 ) 转 解解 : 转转转转转转转转转转转转转转转转转 , 转转转转转转 转转 . ( 转转转转转转转转转转转转 y = 0 ) 转转 转转 转转 转转 转转 转转 解 2. 转转转转转 d ) 1 ( d 2 = + + y x x y x 解 : 转转转转转 x x x y y d 1 d 2 +- = 转转转转转 C x y ln...
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Ch12-2 - 转转 转转转转转转转转转 转转 转转...

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