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3.4.7 Sequences and Series (A-level only)

In a model, how does a sequence differ from a series?

A

un+1=0.6un+30u_{n+1}=0.6u_n+30un+1​=0.6un​+30

B

A geometric sequence.

C

For an arithmetic sequence, the nnnth term is un=a+(n−1)d\boxed{u_n=a+(n-1)d}un​=a+(n−1)d​.

D
  • A sequence gives the value at each stage.
  • A series gives an accumulated total.

3.4.7 Sequences and Series (A-level only) Flashcards

  1. A Level
  2. /Maths
  3. /3.4.7 Sequences and Series (A-level only)

Flashcards for WJEC A Level Maths 3.4.7 Sequences and Series (A-level only), covering the key formulae, methods and definitions you need to recall for AS Unit 1, AS Unit 2, A2 Unit 3 and A2 Unit 4. 22 cards, matched to the WJEC A Level Maths (1300QS) specification. Recall questions account for roughly 50% of marks at A Level Maths, so these target the marks you can secure before the paper starts.

Flashcards