CHO   , B   D  5, B   D  2.A B C F X X F X X TÍNH C...

Câu 22: Cho ^{  ,} 

  ^{d  5,} 

  ^{d  2.}

a b c f x x f x x Tính 

  ^{d .}



 ^B. 

^{  d  3.}

 ^D.

^{  d 10.}

A.

  ^{d 7.}

f x x 

f x x C.

  ^{d 3.}

f x x  