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Geometric sequences and series

Find the general term and the sum of n terms of a geometric sequence, including growth problems.

5th Year6th Year HigherOrdinary
Helps to know first: Arithmetic sequences and series
15practice questions

Multiple choice: 4 · Numeric answer: 10 · Put in order: 1

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Numeric answerPaper 1 – Number
A geometric sequence has first term 1 and common ratio 3. Find term number 3.
Whole numbers, decimals (2.5) or fractions (3/4).
Hint 1

Tₙ = arⁿ⁻¹.

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