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amid [387]
3 years ago
12

Write down in terms of n, an expression for the nth term

Mathematics
1 answer:
Alekssandra [29.7K]3 years ago
7 0

Answer:

In bold below.

Step-by-step explanation:

a)  Arithmetic sequence with common difference 3 and first term = 2:

nth term =  2 + 3(n - 1)

= 3n -1.

b)  Similar to above with common difference 2 and first term = 9.

nth term = 9 + 2(n - 1)

= 2n + 7.

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