Jawaban:
Penjelasan dengan langkah-langkah:
V E K T O R
|u| = 4
|v| = 6
<(u, v) = 60°
u(u + v) = |u|² + |u||v| × cos 60°
u(u + v) = 4² + 4 × 6 × ½
u(u + v) = 16 + 24
2
u(u + v) = 16 + 12
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Jawaban:
C
Penjelasan dengan langkah-langkah:
V E K T O R
|u| = 4
|v| = 6
<(u, v) = 60°
u(u + v) = |u|² + |u||v| × cos 60°
u(u + v) = 4² + 4 × 6 × ½
u(u + v) = 16 + 24
2
u(u + v) = 16 + 12
u(u + v) = 28 ✔