# Find the sum of the first 60 positive even integers.

Question
Sequences
Find the sum of the first 60 positive even integers.

2021-03-03
$$S_n=n/2(a_1+a_n)$$ (sum of artemetic mean)
$$S_60=60/2(2+120) (a_1=2,a_n=120)$$
$$S_60=30(122)$$
$$S_60=3660$$

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