Mathematics, 03.03.2021 08:00 Amholloway13
1) The sum to three terms of geometric series is 9 and its sum to infinity is 8. What could you deduce about the common ratio? Why?
Find the first term and the common ratio.
2) Given that x + 18, x + 4 and x − 8 are the first three terms of a geometric series, find
the value of x. Hence, find
a) the common ratio
b) the fifth term
c) the sum to infinity.
Answers: 1
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1) The sum to three terms of geometric series is 9 and its sum to infinity is 8. What could you dedu...
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