Question: 2. (5 marks) Let (Pn)neN be a strictly increasing sequence of positive integers and x be a positive real number. Prove that the series xPl

2. (5 marks) Let (Pn)neN be a strictly increasing sequence of positive integers and x be a positive real number. Prove that the series xPl + xP2 + ... + xPny... converges when x

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