Matematika

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Tolong ya bantuannya
Tolong ya bantuannya

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  • 5) C
    ST = (4,-2,-1)
    S = (3,1,5)

    ST = T - S
    (4,-2,-1) = T - (3,1,5)
    (4,-2,-1) + (3,1,5) = T
    (7,-1,4) = T

    6) B
    C = (4,5,1)
    KC = (3,-1,2)

    KC = C - K
    (3,-1,2) = (4,5,1) - K
    K = (4,5,1) - (3,-1,2)
    K = (1,6,-1)

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