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Mathematics 20 Online
OpenStudy (anonymous):

write an expression for the nth term of a sequence: 1,3,1,3,1...

OpenStudy (anonymous):

(-1)^n+2

OpenStudy (anonymous):

n being the nth term.

OpenStudy (anonymous):

but that goes -1,1,-1 etc. i need to to be 1,3,1,3,1

OpenStudy (anonymous):

I just tried in http://goo.gl/8ec31 it outputs that?

OpenStudy (anonymous):

yeah that's it. thanks so much !

OpenStudy (anonymous):

No problem

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