Find the nth term of the sequence 3, 6, 10, 15, 21.....
MATHEMATICS
JAMB 1994
Find the nth term of the sequence 3, 6, 10, 15, 21.....
- A. \(\frac{n(n - 1)}{2}\)
- B. \(\frac{n(n + 1)}{2}\)
- C. \(\frac{(n + 1)(n + 2)}{2}\)
- n(2n + 1)
Correct Answer: C. \(\frac{(n + 1)(n + 2)}{2}\)
Post an Explanation Or Report an Error
If you see any wrong question or answer, please leave a comment below and we'll take a look. If you doubt why the selected answer is correct or need additional more details? Please drop a comment or Contact us directly. Your email address will not be published. Required fields are marked *