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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. e. a + ( b − c )

Jika ,  dan , tentukan setiap vektor berikut.

e.  

  1. ... space

  2. ... space

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Jawaban terverifikasi

Jawaban

hasil dari adalah .

hasil dari begin mathsize 14px style a with rightwards arrow on top plus left parenthesis b with rightwards arrow on top minus c with rightwards arrow on top right parenthesis end style adalah stack size 14px 5 size 14px i with size 14px rightwards arrow on top size 14px minus stack size 14px 5 size 14px j with size 14px rightwards arrow on top.

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Jadi, hasil dari adalah .

begin mathsize 14px style a with rightwards arrow on top plus left parenthesis b with rightwards arrow on top minus c with rightwards arrow on top right parenthesis equals stack 5 i with rightwards arrow on top plus stack 5 j with rightwards arrow on top plus left parenthesis open parentheses stack 4 i with rightwards arrow on top minus stack 5 j with rightwards arrow on top close parentheses minus open parentheses stack 4 i with rightwards arrow on top plus stack 5 j with rightwards arrow on top close parentheses right parenthesis space space space space space space space space space space space space space space space space space equals stack 5 i with rightwards arrow on top plus stack 5 j with rightwards arrow on top plus left parenthesis stack left parenthesis 4 minus 4 right parenthesis i with rightwards arrow on top plus stack left parenthesis negative 5 minus 5 right parenthesis j with rightwards arrow on top right parenthesis space space space space space space space space space space space space space space space space space equals stack left parenthesis 5 minus 0 right parenthesis i with rightwards arrow on top plus stack left parenthesis 5 minus 10 right parenthesis j with rightwards arrow on top space space space space space space space space space space space space space space space space space equals stack 5 i with rightwards arrow on top minus stack 5 j with rightwards arrow on top end style

Jadi, hasil dari begin mathsize 14px style a with rightwards arrow on top plus left parenthesis b with rightwards arrow on top minus c with rightwards arrow on top right parenthesis end style adalah stack size 14px 5 size 14px i with size 14px rightwards arrow on top size 14px minus stack size 14px 5 size 14px j with size 14px rightwards arrow on top.

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