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odolwa99
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Homework Statement
Just a quick question I was looking to have cross checked…
Q. Find un, the nth term of sequence -5, 0, 5, 10,…
Homework Equations
un = a + (n-1)d
The Attempt at a Solution
-5 + (n-1)5
-5 + 5n - 5
5n-10
The answer in the book, however, indicates that un = 5n. Am I wrong, or are they? Thanks.