HI Guys,
Can anyone help me solve me this type of ques:
The infinite sequence a1, a2,…, an,… is such that a1 = 2, a2 = -3, a3 = 5, a4 = -1, and an = an-4 for n > 4. What is the sum of the first 97 terms of the sequence?
More then solution, I need technique to solve this.
Thanks,
Aarushi