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Tentukan perbedaan dari P dan Q
Δx = 7-3 = 4
Δy = 2-2 = 0
Δz = -1-(-2) = 1
Panjang vektor:
= √[Δx²+Δy²+Δz²]
= √[16+0+1]
= √17
Maka, vektor satuannya adalah: