lilijajegorova680
Answered

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Write down in terms of n, an expression for the nth term
of the following sequences:
ET
a) 2 5 8 11 14
b) 9 11 13 15 17​

Sagot :

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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