Sequences Flashcards by Jade Rayquaza | Brainscape

Q

Equation for the nth term of an arithmetic sequence

A

Un=a+(n-1)d

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Q

Equation for the sum of the first n terms in an arithmetic sequence

A

S=n/2(2a+(n-1)d)

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Q

How to express a arithmetic sequence as an iterative formula

A

U n+1 = Un + d

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