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23-07-2020
Mathematics

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Write the first 4 terms of the sequence defined by the given rule f(n)=n2 -1

Respuesta :

23-07-2020

Answer:

0, 3, 8, 15

Step-by-step explanation:

Substitute n = 1, n = 2, n = 3 and n = 4 to the equation f(n) = n² - 1:

f(1) = 1² - 1 = 1 - 1 = 0

f(2) = 2² - 1 = 4 - 1 = 3

f(3) = 3² - 1 = 9 - 1 = 8

f(4) = 4² - 1 = 16 - 1 = 15

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