Question: D) i) Use the direct proof technique to prove 'x odd and y odd' => 'x + y' eve ii) Use the proof by

D) i) Use the direct proof technique to prove 'x odd and

D) i) Use the direct proof technique to prove 'x odd and y odd' => 'x + y' eve ii) Use the proof by contradiction technique to prove 'x rational and y irrational' 'x+y' irrational

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