Roboguru

Diketahui Vektor adalah....

Diketahui u with rightwards arrow on top equals 2 i minus j comma space v with rightwards arrow on top equals 5 i plus 4 j minus 3 k comma space dan space w with rightwards arrow on top equals 9 i minus 7 k. Vektor 2 u with rightwards arrow on top minus 3 v with rightwards arrow on top plus w with rightwards arrow on top adalah....

  1. 1 half open parentheses negative i plus 7 j plus k close parentheses

  2. 1 half open parentheses negative i minus 7 j plus k close parentheses

  3. negative 1 half open parentheses i minus 7 j plus k close parentheses

  4. negative 2 open parentheses i plus 7 j minus k close parentheses

  5. negative 2 open parentheses i minus 7 j minus k close parentheses

Jawaban:

u with rightwards arrow on top equals 2 i with rightwards arrow on top minus j with rightwards arrow on top equals open parentheses table row 2 row cell negative 1 end cell row 0 end table close parentheses  v with rightwards arrow on top equals 5 i with rightwards arrow on top plus 4 j with rightwards arrow on top minus 3 k with rightwards arrow on top equals open parentheses table row 5 row 4 row cell negative 3 end cell end table close parentheses  w with rightwards arrow on top equals 9 i with rightwards arrow on top minus 7 k with rightwards arrow on top equals open parentheses table row 9 row 0 row cell negative 7 end cell end table close parentheses    2 u with rightwards arrow on top minus 3 v with rightwards arrow on top plus w with rightwards arrow on top  equals 2 open parentheses table row 2 row cell negative 1 end cell row 0 end table close parentheses minus 3 open parentheses table row 5 row 4 row cell negative 3 end cell end table close parentheses plus open parentheses table row 9 row 0 row cell negative 7 end cell end table close parentheses  equals open parentheses table row 4 row cell negative 2 end cell row 0 end table close parentheses minus open parentheses table row 15 row 12 row cell negative 9 end cell end table close parentheses plus open parentheses table row 9 row 0 row cell negative 7 end cell end table close parentheses  equals open parentheses table row cell negative 2 end cell row cell negative 14 end cell row 2 end table close parentheses  equals negative 2 i minus 14 j plus k  equals negative 2 left parenthesis i plus 7 j minus k right parenthesis

0

Ruangguru

RUANGGURU HQ

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

Coba GRATIS Aplikasi Ruangguru

Produk Ruangguru

Produk Lainnya

Hubungi Kami

Ikuti Kami

©2021 Ruangguru. All Rights Reserved