If t_n denotes the nth term of the series 2+3+6+11+18----------then t₅₀ is

Find the 5^th term in the sequence a₁ = 3, a₂ = 3 and an = a_n-1 + a_{n-2 ;} a>2

Common ratio of the series 1/4 + 1/2 + 1.........is 256?

The sequence an = 3_n - 2 is an A.P, then a and d are

8^th term of the A.P 9, 13, 17, 21.....is

Next term in the series 3/16 + 1/18 + 1/12 +.........is

n^th term of the sequence 2, -4, 8, -16 is

If 2/3, k, 5/8k are in A.P, then k =

9^th term of the sequence 3, 6, 12, 24........

n^th term of the following sequence ak, ak³, ak⁵.......is