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Vektorer mellem tre punkter 3D
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(BC)→ = b→ = ( b₁ , b₂ , b₃ )
(BC)→ = b→ = ( b₁ , b₂ , b₃ )
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42
(CA)→ = c→ = ( c₁ , c₂ , c₃ )
(CA)→ = c→ = ( c₁ , c₂ , c₃ )
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48
(OD)→ = D→ = ( x₁ , y₁ , 0 )
(OD)→ = D→ = ( x₁ , y₁ , 0 )
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54
(OE)→ = E→ = ( x₂ , y₂ , 0 )
(OE)→ = E→ = ( x₂ , y₂ , 0 )
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58
(OF)→ = F→ = ( x₃ , y₃ , 0 )
(OF)→ = F→ = ( x₃ , y₃ , 0 )
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60
| A→ |
| A→ |
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62
| B→ |
| B→ |
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64
| a→ |
| a→ |
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66
| D→ |
| D→ |
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68
| E→ |
| E→ |
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70
Akser
Akser
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72
Akseenheder
Akseenheder
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80
Koordinater
Koordinater
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85
a-skyder
a-skyder
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92
b-skyder
b-skyder
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98
c-skyder
c-skyder
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104
Punkter
Punkter
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111
134
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a
b
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x₁
x₂
x₃
y₁
y₂
y₃
z₁
z₂
z₃
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B = ( x₂ , y₂ , z₂ )
C = ( x₃ , y₃ , z₃ )
D
E
F
"x"
x
"y"
y
"a" squared
a
2
"a" Superscript, "b" , Baseline
a
b
7
7
8
8
9
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over
÷
functions
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less than
<
greater than
>
4
4
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5
6
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times
×
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a
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less than or equal to
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greater than or equal to
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2
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negative
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A B C
StartRoot, , EndRoot
pi
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equals
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positive
+
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