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Diketahui : x = ( 6 4 ​ ) , y ​ = ( 2 5 ​ ) , dan z = ( − 1 3 ​ ) Maka, tentukan ∣ ∣ ​ x y ​ ∣ ∣ ​ − ∣ ∣ ​ x z ∣ ∣ ​ !

Diketahui :

Maka, tentukan !

  1. ....

  2. ....

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N. Putri

Master Teacher

Mahasiswa/Alumni Universitas Negeri Jakarta

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Pembahasan

begin mathsize 14px style table attributes columnalign right center left columnspacing 0px end attributes row cell open vertical bar stack x y with rightwards arrow on top close vertical bar end cell equals cell square root of open parentheses 2 minus 6 close parentheses squared plus open parentheses 5 minus 4 close parentheses squared end root equals square root of 17 end cell row cell open vertical bar stack x z with rightwards arrow on top close vertical bar end cell equals cell square root of open parentheses negative 1 minus 6 close parentheses squared plus open parentheses 3 minus 4 close parentheses squared end root equals square root of 50 end cell row cell open vertical bar stack x y with rightwards arrow on top close vertical bar minus open vertical bar stack x z with rightwards arrow on top close vertical bar end cell equals cell square root of 17 minus square root of 50. end cell end table end style

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