Iklan

Iklan

Pertanyaan

Diketahui vektor a = ( 0 , − 1 , 3 ) dan b = ( − 2 , 0 , 1 ) . Tentukan: a. ∣ ∣ ​ a + b ∣ ∣ ​

Diketahui vektor . Tentukan:

a.   

Iklan

N. Puspita

Master Teacher

Jawaban terverifikasi

Iklan

Pembahasan

Pembahasan
lock

didapatkan: didapatkan: jadi, hasil dari

begin mathsize 14px style a with rightwards arrow on top plus b with rightwards arrow on top end style didapatkan:

begin mathsize 14px style table attributes columnalign right center left columnspacing 0px end attributes row cell a with rightwards arrow on top plus b with rightwards arrow on top end cell equals cell open parentheses table row 0 row cell negative 1 end cell row 3 end table close parentheses plus open parentheses table row cell negative 2 end cell row 0 row 1 end table close parentheses end cell row cell a with rightwards arrow on top plus b with rightwards arrow on top end cell equals cell open parentheses table row cell negative 2 end cell row cell negative 1 end cell row 4 end table close parentheses end cell end table end style 

begin mathsize 14px style open vertical bar a with rightwards arrow on top plus b with rightwards arrow on top close vertical bar end style didapatkan:

begin mathsize 14px style open vertical bar a with rightwards arrow on top plus b with rightwards arrow on top close vertical bar equals square root of open parentheses negative 2 close parentheses squared plus open parentheses negative 1 close parentheses squared plus 4 squared end root open vertical bar a with rightwards arrow on top plus b with rightwards arrow on top close vertical bar equals square root of 4 plus 1 plus 16 end root open vertical bar a with rightwards arrow on top plus b with rightwards arrow on top close vertical bar equals square root of 21 end style 

jadi, hasil dari open vertical bar a with rightwards arrow on top plus b with rightwards arrow on top close vertical bar space adalah space square root of 21 

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

11

Iklan

Iklan

Pertanyaan serupa

dan . Jika ∣ u ∣ = ∣ v ∣ , berapa nilai ?

4

4.6

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

info@ruangguru.com

Contact 02140008000

02140008000

Ikuti Kami

©2024 Ruangguru. All Rights Reserved PT. Ruang Raya Indonesia