Asked by Ifeoluwa
The second term of a gp is , while the fourth term is 81.find:
1.the common ratio of the first term
2.the first five terms of the sequence
1.the common ratio of the first term
2.the first five terms of the sequence
Answers
Answered by
oobleck
bogus subject
incomplete question.
garbled question: "common ratio of the first term" makes no sense.
But, r^2 = a4/a2
since 81 = 9^2, I'm guessing a2 = 9, r=±3
now work out the rest, using the GP formulas you have.
incomplete question.
garbled question: "common ratio of the first term" makes no sense.
But, r^2 = a4/a2
since 81 = 9^2, I'm guessing a2 = 9, r=±3
now work out the rest, using the GP formulas you have.
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