Jawab:
Penjelasan dengan langkah-langkah:
vektor
soal 1
a. b = 2(-1) + 3(3)
a . b = - 2 + 9
a. b = 7
soal2
a.b = |a|. |b|. cos <(a,b)
a. b= (1)(4)(cos 60)
a. b = 4 . 1/2
a. b = 2
soal 3
u. v = -2√2 (√2) + 9 (-2)
u.v = - 4 - 18
u v = -22
soal 4
2a = 2 (9, 2) = (18, 4)
" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
Jawab:
Penjelasan dengan langkah-langkah:
vektor
soal 1
a. b = 2(-1) + 3(3)
a . b = - 2 + 9
a. b = 7
soal2
a.b = |a|. |b|. cos <(a,b)
a. b= (1)(4)(cos 60)
a. b = 4 . 1/2
a. b = 2
soal 3
u. v = -2√2 (√2) + 9 (-2)
u.v = - 4 - 18
u v = -22
soal 4
2a = 2 (9, 2) = (18, 4)