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please help this disprove questions with clear steps, thank you Disprove the following statements by using counter-example. (a) Ifn e N, then 2 2 n2.

please help this disprove questions with clear steps, thank you

Disprove the following statements by using counter-example. (a) Ifn e N, then 2" 2 n2. (4 marks) (b) Va, b ER, if a (a + b)?.Note: The symbols 3 means 'there exist an n e N', and V means 'For all n e N

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