Carlos Diferencial 3

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3). f ( x )=sen 2 2 x f ( x )= 1cos4 x 2 = 1 2 cos4 x 2 f ' ( x) =0( ( 4 x ) ' . sin 4 x 2 ) f ' ( x) =2sin4 x 4). f ( x )= ln x 7 ln x 3 ( x )= ( ln x 7 ) ' . ( ln x 3 ) ( ln x 7 ) . ( ln x 3 ) ' ( ln x 3 ) 2 = ( ln x 7 ) ' . ( lnx 3 ) ( ln x 3 ) 2 ( ln x 7 ) . ( ln x 3 ) ' ( ln x 3 ) 2 = 7 xln x 3 3ln x 7 x( ln x 3 ) 2 5). f ( x )= x e x f ' ( x) = ( x ) ´ ( e x )( x ) ( e x ) ' ( e x ) 2 = e x xe x e 2x = 1x e x 6). f ( x )=2 sen 2 x f ' ( x) =2. ( 2 x ) ' cos2 x=4 cos 2 x f '' ( x ) =4 ( 2 x) ' (sen 2 x )=−8 sen 2 x f ''' ( x )=−8 ( 2 x ) cos2 x=−16cos 2 x

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Transcript of Carlos Diferencial 3

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