question23

# question23 - 0 ³ 912301 9 9 ABCD ðÛ AB BM AD DN AM = AN...

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Unformatted text preview: 0 ³ 912301 9 9 ABCD ðÛ AB + BM AD + DN AM = AN M9 N9 ∠MAN=4509 9 912302 △ABC △ E9 F ˆ 9 P9 / ª P: B ·Â c) =m9 =n9 / ª F: B ·Â = r9 m9 n9 a9 b9 c 9 ª EB ·:Â r 9 (9 = a 9 = b9 = D9 9 912303 (1)a9 b9 c9 d9 e∈R9 ˆ a+b9 c+d 9 b+c9 d+e 9 c+d9 e+a 9 d+e9 a+b 9 a9 b9 c9 d9 e (2)a9 b9 c9 d9 e9 f9 g∈R9 a+b9 c+d 9 b+c9 d+e 9 c+d9 e+f 9 d+e9 f+g 9 e+f9 g+a 9 f+g9 a+b 9 a9 b9 c9 d9 e9 f9 g ˆ 9 912304 9 a ≥ b > c > 0, a < /bª +: c ø ·Á b x 2 − c 2 + c x 2 − b 2 = ax 9 9 912305 (1)1 ›rEh @b 7E : Í h·ª/ 9 1. Àþ( 2. B áeçó„w 3./ p ·B èí0 :´ª/ 4./ p ·B èí0 :´ª/ :Í h·ª/ 9 ○ ○○ ○○○ ○○○○ 9 9 --------------------------------------------------------------------------------------------------------------19 29 9 9 ○○ ○ ○ ○ ○ ○ ○○ ○○ ○ ○ ○○○ ○○○ ○○○○○○○ ○○○○ ○○○○ ○ ○ ○○○○○○○○ ○ ○ ○ ○○○○○○ ○○ ○○○○ ○○ / ª (2)è ·: Í (N 9 2╳N ) Erš @ (1)1 w èd (2)dÐ·™ªr/w Eð 9 / ª 100è ·:Í u°d · (3)@ E r › @ t @ b /ª ·: Ë Ø (4) 1.ªr/u·dÐh E™ ª 2Ë. Ø ·: E @7 b@@ E r › @ ○ 226 9 91 9 12 9 / ª 15 è ·: Í 56 B wó ç e á „ wrƒ„+÷ › p ○ 92 9ª/0B/è´í·ª 1 p / : ø E r /™ (Ðuhd ª· http://www.ck.tp.edu.tw/9 ) úø ...
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## This note was uploaded on 02/15/2011 for the course ECON 2965 taught by Professor Dr.chenlinxiao during the Spring '11 term at Fudan University.

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