Question

For a particular sequence a₁ = 3, a₂ = 5 and aₙ = aₙ ₋ ₁ – aₙ ₋ ₂, for n ≥ 3. What is

the 2015th term in this sequence?

Answer 1

a=3.5,d=0 and n=101

a

n

​

=a+(n−1)×d

a

n

​

=3.5+100×0

a

n

​

=3.5Step-by-step explanation: