A) (X – 2)2 = 1 ; B) ( 2X – 1)3 = -27; C) 16 12N  ;...

Bài 5: a) (x – 2)

2

= 1 ; b) ( 2x – 1)

3

= -27; c) 16 1

2

n

 ; BT 42 ( SGK) / 23