Question 5
ProgressionsFind the 5th term of the sequence 2, 5, 10, 17, … .
- A.22
- B.24
- C.36
- D.26
Show the answer and explanation
Answer: D (26)
Explanation
The differences are 3, 5, 7, so the next difference is 9: 17 + 9 = 26. (The terms are n2 + 1.)
Find the 5th term of the sequence 2, 5, 10, 17, … .
Answer: D (26)
The differences are 3, 5, 7, so the next difference is 9: 17 + 9 = 26. (The terms are n2 + 1.)