If x is a fraction, x^x and x^x^x are irrational. But can x^x^x^x be rational?

Re:If x is a fraction, x^x and x^x^x are irrational. But can... by swordswinger12 on Tuesday July 23, 2013 @01:20PM (#6091442)

In the first equation involving pi - how can the sum of two positive numbers be zero?

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Re:If x is a fraction, x^x and x^x^x are irrational. But can... by XaspR8d on Tuesday July 23, 2013 @01:29PM (#6091514)

I believe he meant minus. For the purposes of linear independence, there is no significance of positive vs negative coefficients.

EDIT: Wow, go team.

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Re:If x is a fraction, x^x and x^x^x are irrational. But can... by gphilip on Tuesday July 23, 2013 @01:27PM (#6091502)

It cannot be. What the OP meant is π - 2(π/2) = 0

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Re:If x is a fraction, x^x and x^x^x are irrational. But can... by dllthomas on Tuesday July 23, 2013 @01:28PM (#6091509)

By the magic of typos.

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Re:If x is a fraction, x^x and x^x^x are irrational. But can... by carstimon on Tuesday July 23, 2013 @01:32PM (#6091536)

Thanks, edited.

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