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 Post subject: i need counter example for each one of the follwingPosted: Fri, 1 Apr 2011 10:50:32 UTC
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 Post subject: Re: i need counter example for each one of the follwingPosted: Fri, 1 Apr 2011 11:08:55 UTC
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haya wrote:

Where is your work?

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 Post subject: Posted: Fri, 1 Apr 2011 11:12:32 UTC
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for (ii) I think f(x)=x^2 -4 on [-5,5], f(x)=0, f(-5).f(5)>0, f(x)=0,
x=-or+2 which is on [-5,5]

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 Post subject: Posted: Sat, 2 Apr 2011 02:58:24 UTC
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(ii) Correct
(iii) Consider x³
(iv) Consider g(x)=x²
(v) Which definition...?

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