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(0 )2 1436587@9BAC9EDGF4HI 7P5QHRFTSVU0DXW6F4H
(0 )2 1436587@9BAC9EDGF4HI 7P5QHRFTSVU0DXW6F4H
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142 CAPÍTULO 13. £ £ ¥ § § ¤§ ¢¢¡ ¤§<br />
(P, P<br />
′ π ) = <br />
¢ <br />
<br />
2<br />
<br />
cos <br />
(P, P ′ ) = |u|w|<br />
uw<br />
R = A + 〈u〉 R ′ = A +<br />
(R, R<br />
′ π ) =<br />
<br />
6 <br />
cos (R, R ′ ) = |u|−→<br />
AP|<br />
u −→<br />
AP = √ 3<br />
2<br />
= 0<br />
<br />
−→ AP<br />
= cos π<br />
6