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If a and b are positive integers and their product is 3 times their sum, what is the value of 1/a + 1/b?

Given that ab = 3(a + b).
From this, ab/3 = a + b.
Dividing through by ab yields 1/a + 1/b = 1/3.

  • Hehe -

    I'm not late at all

  • math -


  • math -


    Christine, did you find the answer yet?

  • math -

    Wow pretty late huh

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