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Math, 28.10.2019 14:45 kirbydimaranan

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

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Answers: 1

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Answer from: 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

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Answer from: kateclaire

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

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