September 2018 1 11 Report
Buat yang pinter matematika tolong di jawab beserta cara yaa , perlu banget
Dik : à = 2ì + 3j + 4k
b = 4ì + j - 2k
c = -4ì - 2k
Dit : (1) |à|
(2) |à + b|
(3) 2 |b-à|
(4) vektor satuan à
(5) vektor satuan b

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