Hi,

My uncertainty lies in the approach to the question. Anyway, I made an attempt.

Given , show that

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- Nov 24th 2010, 02:23 PMHellbentShow that x =
Hi,

My uncertainty lies in the approach to the question. Anyway, I made an attempt.

Given , show that

- Nov 24th 2010, 02:26 PMPlato
.

- Nov 24th 2010, 02:32 PMemakarov
, but .

- Nov 24th 2010, 05:11 PMHellbent
How did you get this part:

Why did you set it as equal to zero?

Is there any other way of doing this?

================================================== ===

Let

Resubstituting for :

OR

This still isn't it. - Nov 24th 2010, 05:27 PMskeeter

multiply every term by ...

quadratic formula (remember for all )

- Nov 24th 2010, 05:55 PMHellbent
Thanks.

What's the reason for multiplying throughout by e^x?

No other way of doing this? - Nov 24th 2010, 05:59 PMpickslides
- Nov 24th 2010, 06:09 PMskeeter
- Nov 25th 2010, 04:43 AMHellbent