Geometric Sequence MC
2008-09-30 3:02 am
If -x^2,x^2,4x^3,...are in geometric sequence and x is not equat 0,find x.
回答 (2)
2008-09-30 3:12 am
✔ 最佳答案
As follow~-x^2,x^2,4x^3,...are in geometric sequence
then
x^2 / -x^2 = 4x^3 / x^2
4x = -1
x = -1/4
參考: me
2008-09-30 3:11 am
For G.S.
(x^2)/(-x^2) = (4x^3)/(x^2)
- 1 = 4x
x = -1/4.
(x^2)/(-x^2) = (4x^3)/(x^2)
- 1 = 4x
x = -1/4.
收錄日期: 2021-04-25 22:35:15
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https://hk.answers.yahoo.com/question/index?qid=20080929000051KK01517