Question: Prove or disprove the following conjectures, using either proof by exhaustion or disproof by counterexample. State the proof/disproof method used in each case. 1. n2

Prove or disprove the following conjectures, using either proof by exhaustion

Prove or disprove the following conjectures, using either proof by exhaustion or disproof by counterexample. State the proof/disproof method used in each case. 1. n2 +n + 15 20 for 1sns 4 2. n2> 21 for 2s ns 4 Edit View Insert Format Tools Table 12pt Paragraph | B U

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