Question

[
(a) Derive a simplified formula for the nth term of the sequence
(b) Use the position-to-term rule to find the value of the term shown in brackets.
I. 2, 4, 6, 8, 10
II. 91, 81, 71, 61
(t10)
8,-4, 1, 6, 11, 16
(+12)
IV. 12, 14, 16, 18, 20
(t20)

Answer 1

Answer:

12 is answer of question