2. Prove the following statement using a proof by contradiction. Explicitly indicate the assumptions (what you suppose) and the conclusion (what you must show) of the proof. If x and y are positive real numbers and xy > 400, then x > 20 or y > 20.

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Prove the following statement using a proof by contradiction. Explicitly indicate the
assumptions (what you suppose) and the conclusion (what you must show) of the proof.
If x and y are positive real numbers and xy > 400, then x > 20 or y > 20.
2.
Transcribed Image Text:Prove the following statement using a proof by contradiction. Explicitly indicate the assumptions (what you suppose) and the conclusion (what you must show) of the proof. If x and y are positive real numbers and xy > 400, then x > 20 or y > 20. 2.
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