0 reads0 ratings0 helpful
What is the general term of the sequence (4,15,34,61,\ldots)?
Advertisement
Answer and explanation
Correct answer: (a_n=4n^2-n+1)
(4n^2-n+1) gives (4,15,34,61). In exams, check a quadratic rule when second differences are constant.
Frequently asked questions
What is the correct answer to this question?
(a_n=4n^2-n+1)
Why is this the correct answer?
(4n^2-n+1) gives (4,15,34,61). In exams, check a quadratic rule when second differences are constant.
Which subject and chapter does this question cover?
This is a Class 9 Mathematics question. Chapter: Sequences and Progressions. Topic: Explicit or general rule.
Student feedback
Was this question useful?
Was this question useful?
👍 0 Helpful 👎 0 Not helpful
Difficulty
Easy0%
Medium0%
Hard0%
Was the explanation clear?
Yes 0% No 0%
0 responsesStudent Reviews
No published reviews yet.
Advertisement