Roboguru

Pertanyaan

..., 3, 5, 2, 6, ..., 4, 12, 20

  1. 1 dan 15

  2. 1 dan 10

  3. 2 dan 14

  4. 3 dan 11

  5. 4 dan 12

N. Rahayu

Master Teacher

Mahasiswa/Alumni Universitas Muhammadiyah Malang

Jawaban terverifikasi

Pembahasan

...begin mathsize 12px style rightwards arrow end style3begin mathsize 12px style rightwards arrow end style5begin mathsize 12px style rightwards arrow end style2begin mathsize 12px style rightwards arrow end style6begin mathsize 12px style rightwards arrow end style...begin mathsize 12px style rightwards arrow end style4begin mathsize 12px style rightwards arrow end style12begin mathsize 12px style rightwards arrow end style20

...begin mathsize 12px style rightwards arrow end style3 (ditambah 2)

3begin mathsize 12px style rightwards arrow end style5 (ditambah 2)

5begin mathsize 12px style rightwards arrow end style2 (dikurangi 3)

2begin mathsize 12px style rightwards arrow end style6 (ditambah 4)

6begin mathsize 12px style rightwards arrow end style... (ditambah 4)

...begin mathsize 12px style rightwards arrow end style4 (dikurangi 6)

4begin mathsize 12px style rightwards arrow end style12 (ditambah 8)

12begin mathsize 12px style rightwards arrow end style20 (ditambah 8)

Seharusnya:

(3 - 2)begin mathsize 12px style rightwards arrow end style3begin mathsize 12px style rightwards arrow end style5begin mathsize 12px style rightwards arrow end style2begin mathsize 12px style rightwards arrow end style6begin mathsize 12px style rightwards arrow end style(6 + 4)begin mathsize 12px style rightwards arrow end style4begin mathsize 12px style rightwards arrow end style12begin mathsize 12px style rightwards arrow end style20

1begin mathsize 12px style rightwards arrow end style3begin mathsize 12px style rightwards arrow end style5begin mathsize 12px style rightwards arrow end style2begin mathsize 12px style rightwards arrow end style6begin mathsize 12px style rightwards arrow end style10begin mathsize 12px style rightwards arrow end style4begin mathsize 12px style rightwards arrow end style12begin mathsize 12px style rightwards arrow end style20

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Suku ke-6 barisan aritmatika ialah 22 dan suku ke-10 ialah 34, carilah jumlah 16 suku pertama dari deret tersebut.

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Jawaban terverifikasi

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