S9infinite
S9infinite S9infinite
  • 22-02-2017
  • Mathematics
contestada

Find the sum

9/xy + x^2/y

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Аноним Аноним
  • 22-02-2017
9/xy + x^2/y
     x^3y +9y 
= ----------------
         xy^2

     y(x^3+9)
= ----------------
         xy^2

       x^3 +9
= --------------
          xy
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