The first term of a geometric sequence is a, and the common ratio, r, is positive (1) 10a calculate the value of r 6 Given that the sum of the second and third terms is (ii) Given also that the sum of the first 4 terms is 65, calculate the value of a and hence calculate the sum to infinity of the ...

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Discrete Mathematics and Its Applications

ISBN: 978-0073383095

7th edition

Authors: Kenneth H. Rosen

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The first term of a geometric sequence is a, and the common ratio, r, is positive....

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Discrete Mathematics and Its Applications

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