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Topic: x^2 = 2^x and x^4 = 4^x
Replies: 5   Last Post: Oct 30, 2013 10:29 PM

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William Elliot

Posts: 2,637
Registered: 1/8/12
Re: x^2 = 2^x and x^4 = 4^x
Posted: Oct 30, 2013 3:54 AM
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On Mon, 28 Oct 2013, James Ward wrote:

> The two equations:
> x^2 = 2^x and x^4 = 4^x,
> both have 3 identical real solutions:

Of course, they're basically the same equations.

> x = 2, 4, and -infinite power tower of (1/sqrt(2))

What's the infinite power tower of (sqr 2)/2?

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