costiccarichie78 costiccarichie78

20-09-2022
Mathematics

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The 1st, 2nd and 3rd terms of a geometric progression are the 1st, 9th and 21st terms of an arithmetic progression respectively. Given that the 1st term of both progressions is 8 and the common ratio of the geometric progression, r not equation of 1 .Find .

a.The value of r
b.the 4th term of each progression

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