Roboguru

Diketahui vektor , , dan . Tentukan

Pertanyaan

Diketahui vektor begin mathsize 14px style a with rightwards arrow on top equals 2 i with hat on top plus 3 j with hat on top end stylebegin mathsize 14px style b with rightwards arrow on top equals i with hat on top minus 4 j with hat on top end style, dan begin mathsize 14px style c with rightwards arrow on top equals 4 j with hat on top end style. Tentukan

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Pembahasan Soal:

begin mathsize 14px style 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 end cell equals cell open parentheses table row 2 row 3 end table close parentheses plus open parentheses table row 1 row cell negative 4 end cell end table close parentheses end cell row blank equals cell open parentheses table row 3 row cell negative 1 end cell end table close parentheses end cell row blank equals cell 3 i with overparenthesis on top minus j with hat on top end cell end table end style 

Pembahasan terverifikasi oleh Roboguru

Terakhir diupdate 02 Maret 2021

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