bantu 50 poin.........
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Jawab:
Panjang vektor = 15 (satuan panjang)
Penjelasan:
r = 14i + 2j - 5k
r = pi + qj + rk
Diketahui p = 14, q = 2, r = -5
Panjang vektor = √(p²+q²+r²)
Panjang vektor = √(14²+2²+(-5)²)
Panjang vektor = √(196+4+25)
Panjang vektor = √225
Panjang vektor = 15 (satuan panjang)
(xcvi)