CHO HÀM SỐ F X( ) (= X−3)EX, F( )X =(AX2 +BX+C E) X, A B C...

^{f x}

( ) (

⁼

^x

⁻

³

)

^e

^x

^{, F}

( )

^x

⁼

(

^ax

²

⁺

^bx

⁺

^{c e}

)

^x

^,

^

^{a b c}

^{, ,}

^

^.

( )

( )

a

=

0, b=1, c=-4

a

=

1, b=0, c=-4

a

=

0, b=-4, c=1.

a

=

0, b=1, c=-3

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