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19-09-2020
Mathematics

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1. The nth term of a sequence is n3 - 5
Write down the first three terms of this sequence

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jimrgrant1 jimrgrant1

19-09-2020

Answer:

- 4, 3, 22

Step-by-step explanation:

To obtain the first three terms, substitute n = 1, 2, 3 into the n th term rule

n = 1 → 1³ - 5 = 1 - 5 = - 4

n = 2 → 2³ - 5 = 8 - 5 = 3

n = 3 → 3³ - 5 = 27 - 5 = 22

The first 3 terms are - 4, 3, 22

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