Iklan

Iklan

Pertanyaan

Vektor a = ( n − 3 ) i + n 2 j + n 2 k , tegak lurus vektor b = − i + j − 3 k . Tentukan nilai n !

Vektor , tegak lurus vektor . Tentukan nilai !

Iklan

D. Rajib

Master Teacher

Mahasiswa/Alumni Universitas Muhammadiyah Malang

Jawaban terverifikasi

Jawaban

.

 begin mathsize 14px style n equals negative 3 over 2 atau space n equals 1 end style.

Iklan

Pembahasan

Jadi, .

begin mathsize 14px style a with rightwards arrow on top perpendicular b with rightwards arrow on top space space rightwards double arrow space a. b equals 0 open parentheses n minus 3 close parentheses open parentheses negative 1 close parentheses plus n squared.1 plus n squared open parentheses negative 3 close parentheses equals 0 space space space space space space space space space space space space space space space space minus n plus 3 plus n squared minus 3 n squared equals 0 space space space space space space space space space space space space space space space space space space space space space space space space minus 2 n squared minus n plus 3 equals 0 space space space space space space space space space space space space space space space space space space space space space space space space space space space space 2 n squared plus n minus 3 equals 0 space space space space space space space space space space space space space space space space space space space space space space open parentheses 2 n plus 3 close parentheses open parentheses n minus 1 close parentheses equals 0 space space space space space space space space space space space space space space space space space space space n equals negative 3 over 2 space atau space n equals 1 end style 

Jadi, begin mathsize 14px style n equals negative 3 over 2 atau space n equals 1 end style.

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

1

Iklan

Iklan

Pertanyaan serupa

Vektor posisi A , B , C , dan D relatif terhadap titik asal O masing-masing adalah ( 1 3 ​ ) , ( 9 7 ​ ) , ( 5 9 ​ ) , dan ( x 2 ​ ) . Tentukan nilai x sehingga A B tegak lurus A D .

1

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 02140008000

02140008000

Ikuti Kami

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