doomsdaydeadra doomsdaydeadra

25-10-2017
Mathematics

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What is the 30th term in a sequence given by the explicit function: A(n) = -1 + (n-1)2

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elhamrah11 elhamrah11

25-10-2017

It'll be A(30) = -1 + (30-1)2

The common difference is 2
The first term is -1
First subtract 30 from 1 you get 29
29 times 2 = 58
58 - 1 = 57

The 30th term in this secuence is 57

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