sequences and series Flashcards by Nana Oppong

Q

what is the nth term of a geometric sequence

A

Un= ar^(n-1)

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Q

the sum of a geometric sequence

A

Sn= a(1-r^n)/1-r

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Q

what does it mean when a sequence is periodic

A

it repeats in a cycle

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Q

what is the order of a periodic sequence

A

the number of terms included in the cycle

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