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Posted by on Friday, November 23, 2012 at 2:34am.

the reciprocal of the expression 2/x + 3/1

  • math - , Friday, November 23, 2012 at 2:36am

    the reciprocal of the expression
    2/x + 3/1

  • math - , Friday, November 23, 2012 at 5:23am

    2/x + 3/1 = (2*1 + 3*x)/x = (2+3x)/x
    so, the reciprocal is
    x/(2+3x)

    check a value, say x=1
    2/1+3/1 = 5

    1/(2+3) = 1/5

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