Find the formula for the nth term of these sequences:
(a) 2, 5, 10, 17, 26, …….
(b) 4,...
Mathematics, 02.02.2021 02:10 mayapril813
Find the formula for the nth term of these sequences:
(a) 2, 5, 10, 17, 26, …….
(b) 4, 10, 20, 34, 52, ………
Part of a geometric sequence is given below:
-1, , 64,
Where uₙ means the nth term, hence, u₂ = -1, and u₅ = 64.
Second term is -1, and the fifth term is 64. Calculate:
(a) The common ratio (r)
(b) The value of the first term (a) or u₁
(c) The value of the 10th term.
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