Answers

✨ Jawaban Terbaik ✨

(1)
=>a(2-1,-4-(-2))=(-3-(-1),4-k)
=>a(1,-2)=(-2,4-k)
=>a=-2,k=0
(2)
(2-1,-4-(-2))•(-3-(-1),4-k)=0
-2+2k-8=0
k=5

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