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Home > Algebra calculators > If x+y=5 and xy=6 then find x-y, x^2+y^2, x^2-y^2, x^3+y^3, x^3-y^3, x^4+y^4, x^4-y^4 calculator
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2. If `x+y=5` and `xy=6` then find `x^2+y^2`
2. If = and = then find
  1. If `x+y=5` and `xy=6` then find `x^2+y^2`
  2. If `x+y=5` and `xy=6` then find `x^2-y^2`
  3. If `x+y=3` and `x-y=15` then find `x^2+y^2`


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