first term 7 common difference is 6 find 18th term
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Answer:
18th term is 109.
Step-by-step explanation:
nth term is given by
a(subscript n) = a + (n-1)d
where a is first term
d is common difference
Given,
a = 7
n = 18
d = 6
a(18) = 7 + (18-1)(6)
= 7 + 17(6)
= 7 + 102
= 109
18th term is 109.