(0 )2 1436587@9BAC9EDGF4HI 7P5QHRFTSVU0DXW6F4H
(0 )2 1436587@9BAC9EDGF4HI 7P5QHRFTSVU0DXW6F4H
(0 )2 1436587@9BAC9EDGF4HI 7P5QHRFTSVU0DXW6F4H
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¢¡¤£¦¥ ¡<br />
¡ © ¢ ¥ ¡<br />
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F = (a, b, c, d) ∈ IR 4 | a − b = 0 a = b + d <br />
G = (a, b, c, d) ∈ IR 4 | b − c = 0 d = 0 <br />
¡ ¨ § IR 4 <br />
<br />
<br />
H = 〈(1, 0, 0, 3), (2, 0, 0, 1)〉<br />
F.<br />
¢ <br />
G.<br />
F ∩ G.<br />
<br />
<br />
G ∩ H.<br />
¨¥ ¨<br />
(a, b, c, d) ∈ F<br />
<br />
a − b = 0<br />
a = b<br />
a = b + d<br />
⇐⇒<br />
<br />
a = b + d<br />
£¢<br />
F ¢ <br />
F = {(a, a, c, 0) | a, c ∈ IR}<br />
⇐⇒<br />
a = b<br />
d = 0<br />
= {a(1, 1, 0, 0) + c(0, 0, 1, 0) | a, c ∈ IR}<br />
= 〈(1, 1, 0, 0), (0, 0, 1, 0)〉
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