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harirox22
harirox22 harirox22
  • 19-01-2015
  • Mathematics
Answered

The nth term of a sequence is 9n — 2. Write down the first three terms of the sequence.

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superkoopasirf
superkoopasirf superkoopasirf
  • 19-01-2015

\(u_n = 9n - 2 \\\\ u_1 = 9(1) - 2 = 9 - 2 = 7 \\\\ u_2 = 9(2) - 2 = 18 -2 = 16 \\\\ u_3 = 9(3) - 2 = 27 - 2 = 25 \\\\ \text{So the first three terms are } \textbf{7} \text{, } \textbf{16} \text{ and } \textbf{25} \text{.}\)

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