Algo and Math

logaritmo in base 9 di a = log in base 12 di b = log in base 16 (a+b)

b/a = ?

Since 9×16 = 12², (9ᵏ, 12ᵏ, 16ᵏ) = (a, b, a + b) forms a geometric triple whose common ratio λ = b/a = (a + b)/b clearly satisfies, for some k, the characteristic relation of the golden ratio. Thus, required b/a = φ

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