
Patrick B. answered 05/23/19
Math and computer tutor/teacher
pr = q^2
p/r = q^2/r^2
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p^q = q^ r
q^r = r^p
p^q = r^p
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q^r = p^q
r * log q = q * log p
log q = (q/r)* log p
log q = (p/q) * log p
q * log q = p * log p
q^q = p ^ p
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similarly
p^q = r^p
q * log p = p * log r
log p = p/q * log r
log p = (q/r) * log r
r * log p = q * log r
p^r = r ^ q
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finally
q^r = r^p
r * log q = p * log r
q^q = p ^ p
p^r = r ^ q
r ^q = r^p
so p^r = r^p = p^q = q^r
Then r=q since p^r = p^q
Let x = r=q.
The given equations become:
p^x = x^x = x^p p/x = x/x = 1 ---> p/x = 1 ---> p = x
Therefore, p=q=r=x
Since they are all the same the identity holds