2
(Choose 1 answer)
(See picture)
A. (ii)
B. (i)
Find a recursive relation for the sequence {a = n² + n}, n = 1, 2, ...
(i) a₁ = 2, anan-1+2n-2, Vn ≥2
C. (iii)
D. None of the other choices is correct
E. (iv)
(ii) a₁ = 2, anan-1 + 2n, Vn ≥2
(iii) a = an-1+2n-2, n ≥2 n
(iv) a = an-1+2n, Vn ≥2
