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45 votes
45 votes
3. A sequence of numbers is shown below. 1 5 9 13 17.

(a) Find an expression for the nth term of the sequence.​

User Kassem Itani
by
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1 Answer

9 votes
9 votes

Answer:

Un= 1 + (n-1)4

Explanation:

a=1

d=5-1=9-5=4

using the formula Un=a+(n-1)d

User Szkj
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