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by Gurpinder » Mon Sep 20, 2010 12:56 pm
Image

1 is clearly insufficient.

I dont get how (2) is sufficient.

I get y(0)=1-y.

How does this tell me that y=1???

[spoiler]oa: (B)[/spoiler]
"Do not confuse motion and progress. A rocking horse keeps moving but does not make any progress."
- Alfred A. Montapert, Philosopher.
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Source: — Data Sufficiency |
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by sumit.sinha » Mon Sep 20, 2010 2:30 pm
Gurpinder wrote:Image

1 is clearly insufficient.

I dont get how (2) is sufficient.

I get y(0)=1-y.

How does this tell me that y=1???

[spoiler]oa: (B)[/spoiler]
anything multiplied by zero is zero.
So, y(0) = 0
So, 0 = 1-y
y= 1
Cheers,
Sumit
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by Gurpinder » Mon Sep 20, 2010 2:31 pm
ah ok.

thx
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