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The product of the first three terms of a geometric progression is 64.If the first term is a and common ratio is r.
(a) Express r in terms of a.
(b) Given that the sum of the three terms is 14
(i) Find the values of a and r and hence write down two possible sequences each upto #4^(th# term.
(ii) Find the product of the# 50^(th# terms
of the two sequences.