Roboguru

Diketahui  dan . Tentukan: a.

Diketahui begin mathsize 14px style a with rightwards harpoon with barb upwards on top equals open parentheses table row 1 row cell negative 1 end cell row 0 end table close parentheses end style dan begin mathsize 14px style b with rightwards harpoon with barb upwards on top equals open parentheses table row 1 row cell negative 1 end cell row 0 end table close parentheses end style. Tentukan:

a. begin mathsize 14px style a with rightwards harpoon with barb upwards on top times b with rightwards harpoon with barb upwards on top end style 

  1. ...space space space 

  2. ...space space space 

Jawaban:

begin mathsize 14px style table attributes columnalign right center left columnspacing 0px end attributes row cell a with rightwards harpoon with barb upwards on top times b with rightwards harpoon with barb upwards on top end cell equals cell 1 cross times 1 plus left parenthesis negative 1 right parenthesis cross times left parenthesis negative 1 right parenthesis plus 0 cross times 0 end cell row blank equals cell 1 plus 1 plus 0 end cell row blank equals 2 end table end style

Jadi, begin mathsize 14px style a with rightwards harpoon with barb upwards on top times b with rightwards harpoon with barb upwards on top end style adalah 2.

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