A friend of mine gave me this problem to solve because he couldn't and I've been stuck in it for some time and also can't solve.(adsbygoogle = window.adsbygoogle || []).push({});

If a, b, c are positive real numbers and a + b + c + 2 = abc, find the smallest value of 1/a + 1/b + 1/c.

PS: I'm guessing this is the right section, 'cause this is not a homework.

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# Sounds easy but

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