Write down the 3rd term in the sequence given by: T(n) = n2 + n

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03-12-2017
Mathematics

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Write down the 3rd term in the sequence given by: T(n) = n2 + n

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shinmin shinmin · Answer 1 · 2017-12-12T11:14:31+01:00

shinmin shinmin

12-12-2017

The solution for the problem is:
I will first get the first five terms so that I could easily locate the third term of this problem:So, substituting the values:
T(1) = 1^2 = 1T(2) = 2^2 = 4T(3) = 3^2 = 9T(4) = 4^2 = 16T(5) = 5^2 =25
So the third terms is T(3) = 3^2 = 9

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