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If M denotes the set of roots of equation 2-x^2 = (x-2)^2,

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CEO
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Joined: 21 Jan 2007
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If M denotes the set of roots of equation 2-x^2 = (x-2)^2, [#permalink] New post 02 Dec 2007, 01:24
If M denotes the set of roots of equation 2-x^2 = (x-2)^2, what is the range of M?

0
1/sqrt2
1
sqrt2
2
Senior Manager
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Joined: 27 Aug 2007
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 [#permalink] New post 02 Dec 2007, 01:47
a, since there is only one root

Ans: A
SVP
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 [#permalink] New post 02 Dec 2007, 05:09
got A :)
  [#permalink] 02 Dec 2007, 05:09
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If M denotes the set of roots of equation 2-x^2 = (x-2)^2,

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