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[tex] 25^{ \frac{p}{5} } [/tex] = 5
[tex] 5^{2p/5} = 5^{1} [/tex]
2p/5 = 1
2p = 5
p = 5/2

[tex] 4^{ \frac{p}{3} } [/tex] = [tex] 2^{ \frac{2p}{3} } [/tex]
= 2^2(5/2)/3
= 2^5/3 = 2 [tex] \sqrt[3]{4} [/tex]