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#1 2013-01-03 20:22:20
- freddogtgj
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Help please
Hi, I would like your help in proving the following:
Your help is much appreciated.
#2 2013-01-03 23:07:10
- scientia
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#3 2013-01-04 00:22:25
- freddogtgj
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Re: Help please
Sorry it has been a while since I have done any proper maths. Could you provide the solution please?
#4 2013-01-04 00:58:28
- scientia
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Re: Help please
Substitute
into
then rearrange to the form I gave in my hint.
Not that difficult, I hope?
#5 2013-01-04 01:02:48
- gAr
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Re: Help please
Hi,
Or perhaps we can use the discriminant >= 0, by solving the quadratic in x?
"Believe nothing, no matter where you read it, or who said it, no matter if I have said it, unless it agrees with your own reason and your own common sense" - Buddha?
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