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Sequences and Series

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Question 3

The third term of a geometric sequence is 324 and the sixth term is 96.

a.

Show that the common ratio of the sequence is 23\displaystyle \frac{2}{3}32​.

[2]
b.

Find the first term of the sequence.

[2]
c.

Find the sum of the first 15 terms of the sequence.

[3]
d.

Find the sum to infinity of the sequence.

[2]

Sequences and Series Questions

  1. A Level
  2. /Old Maths
  3. /Sequences and Series

Practise Edexcel A Level Old Maths Sequences and Series with exam-style questions for A Level Old Maths. 10 questions, matched to the Edexcel A Level Old Maths (9371) specification and written in Unit exams C1, C2, C3 and C4 plus two applied units (e.g. S1 and M1) style. Every question includes a full worked solution and mark scheme, so you can see where marks are awarded rather than just whether you got the answer right.

Question bank