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# ps:How many roots does equation have?

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Manager
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ps:How many roots does equation have? [#permalink]

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21 Jun 2009, 13:33
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How many roots does equation have?

2^x=x-1

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Joined: 03 Jun 2009
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Re: ps:How many roots does equation have? [#permalink]

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21 Jun 2009, 22:39
do we have any other information apart from this, like, x is integer etc ?
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Re: ps:How many roots does equation have? [#permalink]

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22 Jun 2009, 15:24
I can say that the equation can not have any integer root.

can you please post exact question?
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Re: ps:How many roots does equation have? [#permalink]

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23 Jun 2009, 00:45
There is not any integer roots.
Re: ps:How many roots does equation have?   [#permalink] 23 Jun 2009, 00:45
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# ps:How many roots does equation have?

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