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Math Help - reciprocal sum

  1. #1
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    reciprocal sum

    Find the number of solutions to the equation (1/a)+(1/b)+(1/c)+(1/d)=1 .
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  2. #2
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    Re: reciprocal sum

    Quote Originally Posted by geniusgarvil View Post
    Find the number of solutions to the equation (1/a)+(1/b)+(1/c)+(1/d)=1 .
    are you sure the question is right? or some part is missing?...
    if its correct, I think there can be an infinite number of solutions or quadruples (a,b,c,d) satisfying the equation.
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