Find the sum of the first 6 terms of a GP whose first term is 6 and the 5th term is 486.
University of Ilorin MTH101 ester past question
- $2(3^6 - 1)$
- $3(3^6 - 1)$
- $4(3^6 - 1)$
- $5(3^6 - 1)$
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