The first term of a GP is 4, and the 4th term is 108. Find the...
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The first term of a GP is 4, and the 4th term is 108. Find the common ratio and hence, determine the sum of the first 7 terms. The first term of a GP is 4, and the 4th term is 108. Find the common ratio and hence, determine the sum of the first 7 terms.
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