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Ҥä֤ƤäĤơ34Ĺ˳ܤĹͤȡĹгƱ5ˤʤޤ
112ڡ 0:06:20 46756
KKK
ABCȤC餪RȤ
AP+BQ2CR
5/2=OC>=CR
O=RȤʤ˺ͣ

ꥢ륿ǤϻѴؿιǹͤޤ
͡ 112ڡ 0:07:49 46757
ǯ
ѷOBOAȿžСABľľ򤹤
112ڡ 0:08:49 46758
ˤ
Ʊѷ򤯤äĤĹˤơгȿľλ
Ķļˡ 112ڡ 0:46:36 46759
Ȥ
ɸO(0,0),A(3*sin(a),3*cos(a)),B(4*cos(a),4*sin(a))Ȥ
AP+BQ=3*cos(a)+4*sin(a)=3*sqrt(1-sin(a)^2)+4*sin(a)
(0<=a<=90(0<=sin(a)<=1))
ʬƶͤǤ롡XMaxima

num(factor(diff(3*sqrt(1-sin(a)^2)+4*sin(a),sin(a))))$
ev(3*sqrt(1-sin(a)^2)+4*sin(a),part(solve(part(%,2)^2-(%-part(%,2))^2,sin(a)),2));
5()

1210ʬäΤǿᤴƤޤޤ
˭ԡ 112ڡ 0:48:17 46760
ֿء׾ι
ɸʿ̤ǸʡˡʣˤĺȤ뻰ѷͤޤ
̤ľymxm䣰ˤľޤǤεΥ¤κͤޤʬȤޤĥäƥ٥åɤǰŻǤ
112ڡ 2:34:38 46761
ȤޤԤ
ѴؿιѤǤƱˤǽֻƤޤޤ
112ڡ 5:25:25 46764
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ȤꤢѴؿιǤä㤤ޤ
112ڡ 15:40:11 46765
ϥ饮ݥƥ
MathematicaǤ
112ڡ 17:46:56 HomePage:湩ؤ˥46766
ˤ⡼
Фˤ

BQAPľ֤Ȥͤޤ
BQαĹA'򡢢OPAᢤOPA'Ȥʤ褦֤
ȡBOAǤϣľѻѷǡBA'ʡ͡ˤա
礦ɣΰ֤롣ǡϣ

˶̳ξʻΤǴĥäƤޤ
̸ǭ 112ڡ 18:33:54 46767
ֿء׾ι
#46764 ͡
ޤäˤ˵դ٤Ǥʡ
114ڡ 22:30:31 46769
ޤ
Ѥ򤫤Ƥޤޤ orz

ΥƤΤϡäĤפγʸʡˤǡ
#46756, #46759 ɤǤޤ

somewhere in the world 116ʷ 12:37:56 46770

Ϥ䤹ߤǤ͡
ޥ뤵󡢤٤ˤʤäƤ
ͤĴ䤹ǤΤǤĤơ
ơῲޤv(^-^)
118ʿ 22:57:30 46771
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ޥ뤵󡢤ΤˤʤäƤ
ο®ե뤬Ǥޤ
ͤäܤȤäơϤĤޤ礦
Ǥϡ٤ߤʤ
118ʿ 23:56:09 46772
Mr.ǥ
ޥ뤵󡡤ˡ
119ڡ 0:06:27 46773
ޥ
󡢤꤬Ȥޤ㤤ϡ٤餤㤢٤ޤʤäΤǤ...ߤޤ󡣤⤦ޤΤǡפǤm(__)m
MacBook Pro 1115ʿ 22:22:17 HomePage:46775