Iklan

Iklan

Pertanyaan

Buktikan bahwa: k = 10 ∑ ​ 20 ​ ( k 2 + 20 k + 103 ) + k = 10 ∑ ​ n − 11 ​ ( k 2 + 42 k + 444 ) = k = 20 ∑ ​ n + 10 ​ ( k 2 + 3 )

Buktikan bahwa:

 

Iklan

E. Dwi

Master Teacher

Mahasiswa/Alumni Universitas Sriwijaya

Jawaban terverifikasi

Iklan

Pembahasan

begin mathsize 14px style sum from k equals 10 to 20 of left parenthesis k squared plus 20 k plus 103 right parenthesis plus sum from k equals 10 to n minus 11 of left parenthesis k squared plus 42 k plus 444 right parenthesis equals sum from k equals 10 plus 10 to 20 plus 10 of left parenthesis left parenthesis k minus 10 right parenthesis squared plus 20 left parenthesis k minus 10 right parenthesis plus 103 right parenthesis space space space space space space plus sum from k equals 10 plus 21 to n minus 11 plus 21 of left parenthesis left parenthesis k minus 21 right parenthesis squared plus 42 left parenthesis k minus 21 right parenthesis plus 444 right parenthesis equals sum from k equals 20 to 30 of left parenthesis k squared minus 20 k plus 100 plus 20 k minus 200 plus 103 right parenthesis space space space space space space plus sum from k equals 31 to n plus 10 of left parenthesis k squared minus 42 k plus 441 plus 42 k minus 882 plus 444 right parenthesis equals sum from k equals 20 to 30 of left parenthesis k squared plus 3 right parenthesis plus sum from k equals 31 to n plus 10 of left parenthesis k squared plus 3 right parenthesis equals sum from k equals 20 to n plus 10 of left parenthesis k squared plus 3 right parenthesis subscript left parenthesis Terbukti right parenthesis end subscript end style   

286

Wajihan Zahra tisa

Pembahasan lengkap banget

Iklan

Iklan

Pertanyaan serupa

Diketahui . Nilai p yang memenuhi persamaan tersebut adalah ….

33

0.0

Jawaban terverifikasi

Iklan

Iklan

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

Fitur Roboguru

Topik Roboguru

Hubungi Kami

Ruangguru WhatsApp

081578200000

Email info@ruangguru.com

info@ruangguru.com

Contact 02140008000

02140008000

Ikuti Kami

©2022 Ruangguru. All Rights Reserved PT. Ruang Raya Indonesia