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Q:

If $$ {a\over x}+{b\over y}=m$$ and $$ {b\over x}+{a\over y}=n$$ then x:y will be__

  • 1
    (na+mb) : (ma+nb)
  • 2
    (na + mb) : (ma-nb)
  • 3
    (na-mb) : (ma-nb)
  • 4
    (na-mb) : (ma+nb)
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Answer : 3. "(na-mb) : (ma-nb)"

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