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- gAr
- 2013-01-04 01:02:48
Hi,
Or perhaps we can use the discriminant >= 0, by solving the quadratic in x?
- scientia
- 2013-01-04 00:58:28
Substitute
into
then rearrange to the form I gave in my hint.
Not that difficult, I hope?
- freddogtgj
- 2013-01-04 00:22:25
Sorry it has been a while since I have done any proper maths. Could you provide the solution please?
- scientia
- 2013-01-03 23:07:10
- freddogtgj
- 2013-01-03 20:22:20
Hi, I would like your help in proving the following:
Your help is much appreciated.