Kizspy | Question: 26
(Choose 1 answer)
(See picture)
A. (i)
B. (ii)
C. (iii)
D. (iv)
E. None of the other choices is correct
Find a recursive relation for the sequence \{a_{n}=n^{2}+n\} n=1,2,...
(i) a_{1}=2 , a_{n}=a_{n-1}+2n-2, \forall n\ge2
(ii) a_{1}=2 a_{n}=a_{n-1}+2n , \forall n\ge2
(iii) a_{n}=a_{n-1}+2n-2. \forall n\ge2
(iv) a_{n}=a_{n-1}+2n. \forall n\ge2
