F x )= x 2 1 x 2 5x 6 July 8, 2019 16 32 64 128 Cho hàm số f x )= x 2 1 x 2 5x 6 F x )=( x 2 5x 6 )* ln x 2 1 If f x )=- 4x 2 6x 1 and g x )=- x 2 5x 3 The domain of the function f x cos 1 x 2 5x 6 x 2 9
