The 2^nd and the 5^th terms of an arithmetic progression are 8 and 17 respectively, the 2^nd, 10^th and the 42^nd terms of the...

The 2^nd and the 5^th terms of an arithmetic progression are 8 and 17 respectively, the 2^nd, 10^th and the 42^nd terms of the A.P form the first three terms of a geometric progression. Find.
a)The 1^st term and the common difference of the A.P.
b)The first three terms of G.P and the 10th term of the G.P.
c)The sum of the first 10 terms of the G.P.

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Kavungya answered the question on September 21, 2019 at 09:17

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