aniruddhkashyap wrote:Need help with the following DS questions
Q7:
Is xy > x^2y^2?
(1) 14x^2 = 3
(2) y^2 = 1
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Source: Beat The GMAT — Data Sufficiency |
1) yields 2 values for xkstv wrote:aniruddhkashyap wrote:Need help with the following DS questions
Q7:
Is xy > x^2y^2?
(1) 14x^2 = 3
(2) y^2 = 1
2) yields 2 values for y
Each are independently not sufficient
Combined also not sufficient since we cannot be sure about the signs of x and y, E
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