What is the (n)th term of the sequence \(24,12,6,3,\frac{3}{2},\ldots\)?
Answer and explanation
Correct answer: \(24\left(\frac{1}{2}\right)^{n-1}\)
Each term is halved, so \(a_n=24\left(\frac{1}{2}\right)^{n-1}\). In a geometric sequence, the exponent starts with (n-1).
Frequently asked questions
What is the correct answer to this question?
\(24\left(\frac{1}{2}\right)^{n-1}\)
Why is this the correct answer?
Each term is halved, so \(a_n=24\left(\frac{1}{2}\right)^{n-1}\). In a geometric sequence, the exponent starts with (n-1).
Which subject and chapter does this question cover?
This is a Class 9 Mathematics question. Chapter: Sequences and Progressions. Topic: nth term.
Student feedback
Was this question useful?
👍 0 Helpful 👎 0 Not helpful
Yes 0% No 0%
0 responsesStudent Reviews
No published reviews yet.