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2 answers:
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Answer:
In a geometric sequence, the common ratio between consecutive terms is constant.
Step-by-step explanation:
In a geometric sequence, the common ratio between consecutive terms is constant.
The n-th term of a geometric sequence with first term and common ratio
is represented by the formula:
For example,
As the common ratio 'r' between consecutive terms is constant.
- r = -3/1 = -3
- r = 9/-3 = -3
- r = -27/9 = -3
- r = 81/-27 = -3
- r = -243/81 = -3
So, the common ratio between consecutive terms is constant i.e. -3. Thus, it is a geometric sequence with a common ratio -3.