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3.4 Sequences and Series (A-level only)

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Question 52

Each of the series below shows the first four terms of a geometric series.

Identify the only one of these geometric series that is convergent.

Tick one box.

A

3+6+12+24+…3 + 6 + 12 + 24 + \dots3+6+12+24+…

B

1−1+1−1+…1 - 1 + 1 - 1 + \dots1−1+1−1+…

C

81−27+9−3+…81 - 27 + 9 - 3 + \dots81−27+9−3+…

D

2+4+8+16+…2 + 4 + 8 + 16 + \dots2+4+8+16+…

Markscheme

3.4 Sequences and Series (A-level only) Questions

  1. A Level
  2. /Maths
  3. /3.4 Sequences and Series (A-level only)

231 exam-style questions on WJEC A Level Maths 3.4 Sequences and Series (A-level only), covering 3.4.1 Sequences and Series (A-level only), 3.4.2 Sequences and Series (A-level only), 3.4.3 Sequences and Series (A-level only), 3.4.4 Sequences and Series (A-level only), 3.4.5 Sequences and Series (A-level only), 3.4.6 Sequences and Series (A-level only), and 3.4.7 Sequences and Series (A-level only). Each one has a worked solution and a mark scheme showing where the marks go.

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