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1. Diketahui titik A ( 3 , 2 ) , B ( − 3 , 3 ) , C ( 4 , 5 ) . Tentukan: d. A B + BC

1. Diketahui titik . Tentukan:
d.  

 

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Mencari vektor : Mencari vektor : Jadi

Mencari vektor stack A B with rightwards arrow on top:

begin mathsize 14px style table attributes columnalign right center left columnspacing 0px end attributes row cell stack A B with rightwards arrow on top end cell equals cell B minus A end cell row blank equals cell open parentheses table row cell negative 3 end cell row 3 end table close parentheses minus open parentheses table row 3 row 2 end table close parentheses end cell row cell stack A B with rightwards arrow on top end cell equals cell open parentheses table row cell negative 6 end cell row 1 end table close parentheses end cell end table end style

Mencari vektor stack B C with rightwards arrow on top:

undefined  

Jadi

begin mathsize 14px style stack A B with rightwards arrow on top plus stack B C with rightwards arrow on top equals open parentheses table row cell negative 6 end cell row 1 end table close parentheses plus open parentheses table row 7 row 2 end table close parentheses stack A B with rightwards arrow on top plus stack B C with rightwards arrow on top equals open parentheses table row 1 row 3 end table close parentheses end style

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