Roboguru

Diketahui  , , . Tentukan vektor

Pertanyaan

Diketahui  a with rightwards arrow on top equals 3 i with hat on top plus 6 j with hat on top minus 3 k with hat on topb with rightwards arrow on top equals 2 i with hat on top minus j with hat on top plus 4 k with hat on topc with rightwards arrow on top equals i with hat on top plus 4 j with hat on top minus 2 k with hat on top. Tentukan vektor a with rightwards arrow on top plus b with rightwards arrow on top minus c with rightwards arrow on top  

Pembahasan Soal:

Diketahui : a with rightwards arrow on top equals open parentheses table row 3 row 6 row cell negative 3 end cell end table close parenthesesb with rightwards arrow on top equals open parentheses table row 2 row cell negative 1 end cell row 4 end table close parenthesesc with rightwards arrow on top equals open parentheses table row 1 row 4 row cell negative 2 end cell end table close parentheses 

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 plus c with rightwards arrow on top end cell equals cell open parentheses table row 3 row 6 row cell negative 3 end cell end table close parentheses plus open parentheses table row 2 row cell negative 1 end cell row 4 end table close parentheses minus open parentheses table row 1 row 4 row cell negative 2 end cell end table close parentheses end cell row blank equals cell open parentheses table row cell 3 plus 2 minus 1 end cell row cell 6 minus 1 minus 4 end cell row cell negative 3 plus 4 plus 2 end cell end table close parentheses end cell row blank equals cell open parentheses table row 4 row 1 row 3 end table close parentheses end cell end table  

Jadi, vektor a with rightwards arrow on top plus b with rightwards arrow on top minus c with rightwards arrow on top adalah 4 i with hat on top plus j with hat on top plus 3 k with hat on top 

Pembahasan terverifikasi oleh Roboguru

Terakhir diupdate 06 Mei 2021

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