(0 )2 1436587@9BAC9EDGF4HI 7P5QHRFTSVU0DXW6F4H
(0 )2 1436587@9BAC9EDGF4HI 7P5QHRFTSVU0DXW6F4H
(0 )2 1436587@9BAC9EDGF4HI 7P5QHRFTSVU0DXW6F4H
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¢¡¤£¦¥ ¡ §<br />
¡ ¢ ¤£¢ ¥ ¢<br />
¥ <br />
A = (3, −1) ¡ <br />
2,<br />
u = (−2, 2, <br />
−3)<br />
¡ ¨ § £¢ ©<br />
<br />
¥ <br />
A = (3, −1)<br />
2, B = (2, 1, 0)<br />
¥ <br />
(1, 2) ¡ <br />
0, ¢ ¢ 2x − y + z =<br />
<br />
0<br />
¥ (1, 0, 2) ¡ u =<br />
(2e1 − 3e2) × (e1 + e2 + e3)<br />
<br />
¨¥ ¨ R A = (3, 2, −1) ¢<br />
<br />
u = (−2, 2, −3) ¢ £¢ <br />
<br />
R = A + 〈u〉 = (3, 2, −1) + 〈(−2, 2, −3)〉<br />
(x, y, z) R ¤ <br />
¤ λ ∈ IR <br />
(x, y, z) = (3, 2, −1) + λ(−2, 2, −3)<br />
¢ ¢ ¡ <br />
<br />
⎧<br />
⎪⎨<br />
⎪⎩<br />
x = 3 − 2λ<br />
y = 2 + 2λ<br />
z = −1 − 3λ<br />
§
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