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I'm looking for an estimate of this sum $\sum_{n\leq x} \frac{\mu^2(n)}{\varphi(n)} $$\sum_{n\leq x} \frac{\mu^2(n)}{\varphi(n)}$ where $\mu$ is the Möbius fuctionfunction and $\varphi$ the Euler's totient fuctionfunction.
Thanks a lot.
I'm looking for an estimate of this sum $\sum_{n\leq x} \frac{\mu^2(n)}{\varphi(n)} $ where $\mu$ is the Möbius fuction and $\varphi$ the Euler's totient fuction.
Thanks a lot.
I'm looking for an estimate of this sum $\sum_{n\leq x} \frac{\mu^2(n)}{\varphi(n)}$ where $\mu$ is the Möbius function and $\varphi$ the Euler's totient function.
I'm looking for an estimate of this sum $\sum_{n\leq x} \frac{\mu^2(n)}{\varphi(n)} $ where $\mu$ is the Möbius fuction and $\varphi$ the Euler's totient fuction.
