Single Answer MCQ
Q-00052033
Which of the following is a formula for a geometric sequence?
1
a_n = a_1 + d(n-1)
2
a_n = a_1 * r^(n-1)
3
a_n = n^2
4
a_n = 2n + 1
Answer and Solution
Answer
B. a_n = a_1 * r^(n-1)
Solution:
The geometric sequence uses a common ratio (r) to determine each term. The correct option is a_n = a_1 * r^(n-1).
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