复合函数求导法则 定理4.4.1 (复合函数求导法则) 设函数u gx = ( )在 x x = 0可导, 函数 y fu = ( )在u u gx = 0 0 = ( )处可导,则复合函数 y f gx = ( ( ))在 x x = 0可 导,且有 [ ( ))] ( ) ) f gx f u g x x x ( ′ = ′ ′( = 0 0 0 = f gx g x ′( )) ) ( ′( 0 0
Mr. President, Mrs. Clinton, members of Congress, Ambassador Holbrooke, Excellencies, f riends: Fif ty-four years ago to the day, a young Jewish boy f rom a small town in the Carpathian Mountains woke up, not far f rom Goethe's beloved Weimar, in a place of eternal infamy called Buchenwald. He was finally f ree, but there was no joy in his heart. He thought there never would be again. Liberated a day earlier by American