brailynns4172 brailynns4172

06-03-2021
Mathematics

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If the 2nd term of a G.P series is 3/2 and the Fourth term is 3/8, find the first and common ratio of the series

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really226 really226

06-03-2021

Step-by-step explanation:

second terms:

ar=3/2

forth term

ar^3=3/8

combine two equation:

r^2=1/4

r= +1/2 or -1/2

a=3 or -3

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