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Jika a = 5 i + 5 j ​ , b = 4 i − 5 j ​ , dan c = 4 i + 5 j ​ , tentukan setiap vektor berikut. c. b + c

Jika  dan , tentukan setiap vektor berikut.

c.  

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Diketahui :

begin mathsize 14px style a with rightwards arrow on top equals 5 i with rightwards arrow on top plus 5 j with rightwards arrow on top b with rightwards arrow on top equals 4 i with rightwards arrow on top minus 5 j with rightwards arrow on top c with rightwards arrow on top equals 4 i with rightwards arrow on top plus 5 j with rightwards arrow on top end style 

table attributes columnalign right center left columnspacing 0px end attributes row cell b with rightwards arrow on top plus c with rightwards arrow on top end cell equals cell open square brackets table row 4 row cell negative 5 end cell end table close square brackets plus open square brackets table row 4 row 5 end table close square brackets end cell row blank equals cell open square brackets table row 8 row 0 end table close square brackets end cell row blank equals cell 8 i with rightwards arrow on top end cell end table  

 

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