SOLUTION: pls answer it - the first term of arithmetic mean is 1 and the sum of first 9 terms is equal to369 the first and ninth term of gp coincide with first and ninth term of ap find sev
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Question 1043483: pls answer it - the first term of arithmetic mean is 1 and the sum of first 9 terms is equal to369 the first and ninth term of gp coincide with first and ninth term of ap find seventh term of gp Answer by KMST(5328) (Show Source):
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There is an ap (arithmetic sequence): , , , ..... , .
There is also a gp (geometric sequence): , , , ..... , .
We are looking for