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3.4.4 Sequences and Series (A-level only)

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What operation turns a sequence into a series?

A

If lll is the last term of an arithmetic sequence, then l=a+(n−1)d\boxed{l=a+(n-1)d}l=a+(n−1)d​.

B

n=10n=10n=10, since a term count must be a positive integer.

C

Addition of the sequence's terms.

D

Every vertical pair has the same sum, a+la+la+l.

Card 1 of 24

3.4.4 Sequences and Series (A-level only) Flashcards

  1. A Level
  2. /Maths
  3. /3.4.4 Sequences and Series (A-level only)

24 flashcards on WJEC A Level Maths 3.4.4 Sequences and Series (A-level only): the key formulae, methods and definitions you need to recall for AS Unit 1, AS Unit 2, A2 Unit 3 and A2 Unit 4.

Flashcards