Find the sum of the first 39 terms of the following series, to the nearest integer. 12 , 20 , 28 , . . . 12,20,28,…

Question

Find the sum of the first 39 terms of the following series, to the nearest integer. 12 , 20 , 28 , . . . 12,20,28,…

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Minh Khuê 4 years 2021-08-15T23:08:55+00:00 1 Answers 30 views 0

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  1. Gerda
    0
    2021-08-15T23:09:58+00:00
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    Answer: 6396

    Step-by-step explanation:

    Delta math

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Giải phương trình 1 ẩn: x + 2 - 2(x + 1) = -x . Hỏi x = ? ( )