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Year 11 Maths - Methods Sequences and series

Introduction To Sequences

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Questions
Question 1
61807

Find the first three terms of the sequence defined by the rule \(t_n=3 \times 2^{n-1}\)

3, 6 and 12

$$
\begin{aligned}
t_{1}&=3 \times 2^{0}=3 \\
t_{2}&=3 \times 2^{1}=6 \\
t_{3}&=3 \times 2^{2}=12
\end{aligned}
$$

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