If a^2bc^2 = b^3 , which of the following must be true?
I. ac = b^2
II. b = 0
III. a^2c^2 = 1	Answers.
A) I  B) II  C) III  D) none  E) I&II
none
<result>D</result>
If a^2bc^2 = b^3 , which of the following must be true?
I. ac = b^2
II. b = 0
III. a^2c^2 = 1