Iklan

Pertanyaan

Jika rataan dari x 1 ​ , x 2 ​ , ... , x n ​ adalah a, maka jumlahan dari ( 3 1 ​ x 1 ​ + 3 ) , ( 3 1 ​ x 2 ​ + 5 ) , ⋯ + 3 m u , ( 3 1 ​ x n ​ + 2 n − 1 ) adalah...

Jika rataan dari  adalah a, maka jumlahan dari  adalah...

  1. begin mathsize 12px style 1 third a n plus n squared plus n end style  

  2. begin mathsize 12px style 1 third a n plus n squared plus 2 n end style  

  3. begin mathsize 12px style 1 third a n plus n squared plus 3 n end style  

  4. begin mathsize 12px style 1 third a n plus n squared plus 4 n end style  

  5. begin mathsize 12px style 1 third a n plus n squared plus 5 n end style  

Ikuti Tryout SNBT & Menangkan E-Wallet 100rb

Habis dalam

01

:

23

:

06

:

47

Klaim

Iklan

A. C

Master Teacher

Jawaban terverifikasi

Pembahasan

Rataan n data adalah a, berarti:

Rataan n data adalah a, berarti:

begin mathsize 12px style x with bar on top equals fraction numerator x subscript 1 plus x subscript 2 plus x subscript 3 plus midline horizontal ellipsis plus x subscript n over denominator n end fraction a equals fraction numerator x subscript 1 plus x subscript 2 plus x subscript 3 plus midline horizontal ellipsis plus x subscript n over denominator n end fraction x subscript 1 plus x subscript 2 plus x subscript 3 plus midline horizontal ellipsis plus x subscript n equals a n space horizontal ellipsis space open parentheses 1 close parentheses equals 1 third x subscript 1 plus 3 plus 1 third x subscript 2 plus 5 plus 1 third x subscript 3 plus 7 plus midline horizontal ellipsis plus 1 third x subscript n plus open parentheses 2 n minus 1 close parentheses equals 1 third stack stack open parentheses x subscript 1 plus x subscript 2 plus x subscript 3 plus midline horizontal ellipsis plus x subscript n close parentheses with underbrace below with a n below plus stack stack open parentheses 3 plus 5 plus 7 plus horizontal ellipsis plus 2 n minus 1 close parentheses with underbrace below with n over 2 open parentheses a plus u subscript n close parentheses below equals 1 third a n plus n over 2 open parentheses 3 plus 2 n minus 1 close parentheses equals 1 third a n plus n over 2 open parentheses 4 plus 2 n close parentheses equals 1 third a n plus 2 n plus n squared end style   

 

Perdalam pemahamanmu bersama Master Teacher
di sesi Live Teaching, GRATIS!

2

Iklan

Pertanyaan serupa

Banyak cara menyusun 4 buku Matematik, 3 buku Fisika, dan 2 buku Kimia sehingga buku-buku sejenis dalam satu kelompok adalah...

2

0.0

Jawaban terverifikasi

RUANGGURU HQ

Jl. Dr. Saharjo No.161, Manggarai Selatan, Tebet, Kota Jakarta Selatan, Daerah Khusus Ibukota Jakarta 12860

Coba GRATIS Aplikasi Roboguru

Coba GRATIS Aplikasi Ruangguru

Download di Google PlayDownload di AppstoreDownload di App Gallery

Produk Ruangguru

Hubungi Kami

Ruangguru WhatsApp

+62 815-7441-0000

Email info@ruangguru.com

[email protected]

Contact 02130930000

02130930000

Ikuti Kami

©2025 Ruangguru. All Rights Reserved PT. Ruang Raya Indonesia