Tyler Burton
07/13/2023 · Junior High School
1. \( A(4 ; 3 ;-2), \quad B(-3 ;-1 ; 4), C(2 ; 2 ; 1\} ; \) \( a=\overrightarrow{A B}, b=\overrightarrow{A C}, c=\overrightarrow{C B}, \quad d=2 c-5 b, \quad l=C B, \quad \alpha=4, \quad \beta=3 \) 2. \( a=5 m-3 n, \quad b=m+3 n, \quad|m|=1, \quad|n|=1, \quad \varphi=\frac{\pi}{2} \). 3. \( a=\{1 ; 3 ; 0\}, \quad b=\{2 ;-1 ; 1\}, \quad c=\{0 ;-1 ; 2\}, \quad d=\{6 ; 12 ;-1\} \).
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### 1. Vektorlar va Ularning Hisoblanishi
**Berilgan nuqtalar:**
- \( A(4, 3, -2) \)
- \( B(-3, -1, 4) \)
- \( C(2, 2, 1) \)
**Vektorlar:**
- \( \overrightarrow{AB} = (-7, -4, 6) \)
- \( \overrightarrow{AC} = (-2, -1, 3) \)
- \( \overrightarrow{CB} = (-5, -3, 3) \)
- \( d = (0, -1, -9) \)
### 2. Vektorlar Orasidagi O'zaro Bog'liqlik
**Berilganlar:**
- \( \mathbf{a} = 5\mathbf{m} - 3\mathbf{n} \)
- \( \mathbf{b} = \mathbf{m} + 3\mathbf{n} \)
- \( |\mathbf{m}| = 1 \)
- \( |\mathbf{n}| = 1 \)
- \( \varphi = 90^\circ \)
**Hisoblashlar:**
- \( \mathbf{a} \cdot \mathbf{b} = -4 \)
- \( |\mathbf{a}| = \sqrt{34} \)
- \( |\mathbf{b}| = \sqrt{10} \)
### 3. Vektorlarning Chiziqli Kombinatsiyasi
**Berilgan vektorlar:**
- \( \mathbf{a} = \{1, 3, 0\} \)
- \( \mathbf{b} = \{2, -1, 1\} \)
- \( \mathbf{c} = \{0, -1, 2\} \)
- \( \mathbf{d} = \{6, 12, -1\} \)
**Natija:**
\[
\mathbf{d} = 4\mathbf{a} + 1\mathbf{b} - 1\mathbf{c}
\]
### Xulosa
Ushbu masalalarda vektorlarning koordinatalarini hisoblash, ichki ko'paytmalarni aniqlash va chiziqli kombinatsiyalarni topish ko'rsatildi. Har bir qadam aniq va tushunarli tarzda bajarildi.
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