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If the product of two numbers is positive, then the two numbers must both be positive. How do I show the conjecture is false by finding a counterexample?
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If the product of two numbers is positive, then the two numbers must both be positive.

How do I show the conjecture is false by finding a counterexample?

User Mulgard
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1 Answer

7 votes
Counterexample: (-2) x (-3) = +6 .
User Niccole
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