Question: Define the Mobius function u as follows: M(1) = 1, u(n) = 0 if n is divisible by the square of a prime and (-1)

Define the Mobius function u as follows: M(1) = 1, u(n) = 0 if n is divisible by the square of a prime and (-1)" if n is a product of r distinct primes. Show that if n > 1, then Culd) = 0 din

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