(1)
vul cel
moc -
m₂ = }/²/2
24
2
7-6
2. 已知 (2,4)、B(-2,6) 7-12-06-03-
hexe
MAB
y-4 = ²/²2 (x-3)
z
垂直的直線方程式為 x+3y-18 -0
0= — + h-h+x=²-
0 - 1 / -h-h+ x ² - 1²/²
y-4 = = = = (x-3)
3-1
3+1
142
3
LBC == J - 7 = 1/² ( X - 1) = 1 : 11²=12-+20|
y
- +x+7-1++=0 √₁²+(-3)
x-3y +21-158² (3)
+²0=0
3. 已知 4(-1,1)、B(3,3)為平面上兩點,求 B的中垂線方程式為_2x+y-4-0
2.4
:
A Le distance
³X-2y +8-9-0
⇒ 3x-27-1-00 - BA ĐUBR
>>
(C)T TT
√To
Jio
10
√To
O
Jio
-=-=-1-+ n(A)
1-2-18+ 201
₁₁:2
SVT (3)
SEIFERTJILJ
-11-21-4/20/= 2√10 5-=6(8)
Jia
IXN文手,樓(10))提
Sve (a) EV (O) TV (8), ON (A
420
