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Questions
Write the first three terms in each of the sequences defined by the following
an = 3n + 2
Write the first five terms of the following sequences whose nth term are
an = 3n + 2
Solution
Given sequence an = 3n + 2
To write first five terms of given sequence put n = 1, 2, 3, 4, 5, we get
a1 = (3 × 1) + 2 = 3 + 2 = 5
a2 = (3 × 2) + 2 = 6 + 2 = 8
a3 = (3 × 3) + 2 = 9 + 2 = 11
a4 = (3 × 4) + 2 = 12 + 2 = 14
a5 = (3 × 5) + 2 = 15 + 2 = 17
∴ The required first five terms of given sequence an = 3n + 2 are 5, 8, 11, 14, 17
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