x < 1, and y²

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Topic: x < 1, and y²

Thu Jul 29, 2010 6:18 am

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Is x y < 15?

1. 0.5 < x < 1, and y² = 144.
2. x < 3 , y < 5.

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Thu Jul 29, 2010 6:36 am

xy<15 stmt1, 0.5 < x < 1 y^2=144,y=12 or y=-12 take the highest value of x any y=12 x=0.9,y=12,xy<15 So watever value of x and y,xy<15 Suff stmt2, x < 3 , y < 5 x=2,y=4,xy<14 x=-4,y=-5,xy>15 Insuff Pick A _________________ In life, unlike chess, the game continues after checkmate.