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GMAT Data Sufficiency (DS) | Re: What is the value of ab^2 1. a = b-1 2. a = b^2-1

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fluke wrote:

restore wrote:
What is the value of \(ab^2\)

1. \(a = b-1\)

2. \(b = b^2-1\)

Please explain your answer.


Could you please recheck your question and OA. If those are correct, please provide us with MGMAT OE. thanks


You made a slight mistake- the second statement should be "a= b^2-1"
b^2-b=0
(b-1)b= 0

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