08-05-2014
Mathematics

contestada

Perform the indicated operations and express answers in simplest form.

3/x + 2/y - 4/xy

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tadvisohil886 tadvisohil886

08-05-2014

This will reqiure cross multiplication. We multiply by crossing the denominators and numerators. This is the solution : -

3/x + 2/y - 4/xy

= 3y+2x/xy - 4/xy                 (xy is common denominator)

=          3xy + 2x - 4
                  xy

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