Asked by ACKSON PHIRI
The sum of the first two terms of an increasing GP is 20 . The sum of the second term and the third term of the same GP is 30. Determine the common ratio and the term
Answers
Answered by
oobleck
a + ar = 20
ar + ar^2 = 30
Now finish it off.
ar + ar^2 = 30
Now finish it off.
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