diketahui vektor a 2i 3j k

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Diketahui vektor-vektor a with rightwards arrow on top equals 2 i with rightwards arrow on top plus 3 j with rightwards arrow on top plus k with rightwards arrow on topb with rightwards arrow on top equals 3 i with rightwards arrow on top minus 2 k with rightwards arrow on top; dan c with rightwards arrow on top equals 2 j with rightwards arrow on top minus 5 k with rightwards arrow on top. Penjumlahan dan pengurangan vektor-vektor tersebut dapat dihitung seperti berikut :

table attributes columnalign right center left columnspacing 0px end attributes row blank blank cell a with rightwards arrow on top plus 2 b with rightwards arrow on top minus 3 c with rightwards arrow on top end cell row blank equals cell open parentheses table row 2 row 3 row 1 end table close parentheses plus 2 open parentheses table row 3 row 0 row cell negative 2 end cell end table close parentheses minus 3 open parentheses table row 0 row 2 row cell negative 5 end cell end table close parentheses end cell row blank equals cell open square brackets open parentheses table row 2 row 3 row 1 end table close parentheses plus open parentheses table row 6 row 0 row cell negative 4 end cell end table close parentheses close square brackets minus open parentheses table row 0 row 6 row cell negative 15 end cell end table close parentheses end cell row blank equals cell open parentheses table row 8 row 3 row cell negative 3 end cell end table close parentheses minus open parentheses table row 0 row 6 row cell negative 15 end cell end table close parentheses end cell row blank equals cell open parentheses table row 8 row cell negative 3 end cell row 12 end table close parentheses end cell end table

Jadi, hasil dari vektor a with rightwards arrow on top plus 2 b with rightwards arrow on top minus 3 c with rightwards arrow on top adalah 8 i with rightwards arrow on top minus 3 j with rightwards arrow on top plus 12 k with rightwards arrow on top.

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