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Find a counterexample to show that the conjecture (x+y)^2=x^2+y^2 is false​

Answers

  • Réponse publiée par: cbohol56

    answer

    x=1 y=2

    solution

    (x+y)^2=x^2+y^2

    my examples is

    x=1 y=2

    (1+2)^2=1^2+2^2

    (3)^2=1+4

    9 = 5 is false

  • Réponse publiée par: kateclaire

    (x+y) ^2= x^2+2xy+y^2

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Find a counterexample to show that the conjecture (x+y)^2=x^2+y^2 is false​...