Arithmetic Sequence

11 Oct

Dear all my team members
How is your day? I got a new present for you, a lecture note as usual.

A sequence such as 1, 5, 9, 13, 17 or 12, 7, 2, –3, –8, –13, –18 which has a constant difference between terms.

Can you find the nth term of the sequence?

This is the formula (usual) one

But I will give you another one that looks much easier.


try another one?????

have a nice try

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