1.For which prime numbers p and q (if any),is 5p^2q + 16pq^2 a perfect square?2.Let C1,C2,C3,...,C2009 be a sequence of real numbers such that |Cn − Cn+1| is less or equal to 1 for 1 is less or equal to n is less or equal to 2008.Show that:|(C1

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