sin x− 10 1 sinx x x ln 11 ( ) sin ( )f x x xx = + 0 x + 0 x + ( ) x + , ( )fx 0 x + ( )fx 00 lim ( ) 0, lim ( ) 0,x x x x f x g x == lim ( ) ( )] 0 o xx f x g x += 0 lim ( ) ( )] 0xx f x g x −= 0 ( ) lim 0 ( ) xx gx fx = 0 lim ( ) ( ) 0xx f x g x = 32
sin x− 10 1 sinx x x ln 11 ( ) sin ( )f x x xx = + 0 x + 0 x + ( ) x + , ( )fx 0 x + ( )fx 00 lim ( ) 0, lim ( ) 0,x x x x f x g x == lim ( ) ( )] 0 o xx f x g x += 0 lim ( ) ( )] 0xx f x g x −= 0 ( ) lim 0 ( ) xx gx fx = 0 lim ( ) ( ) 0xx f x g x = 32
发布时间:2025-07-05 07:26:57