(ya+Yb)/(xa+XB) = (2yp)/(2xp) = yp/XP = k (op) =1/2

L:x+y-√3=0

K(L)=- 1

Y=0, x=√3, f (√ 3,0)

C=√3

A 2 = 3+b 2 ..... (1)

(yA-yB)/(xA-xB)=k(L)=- 1

[(xa) 2/a 2+(ya) 2/b 2]-[(XB) 2/b 2+(Yb) 2/b

B 2 * [(xa) 2-(XB) 2]+a 2 * [(ya) 2-(Yb) 2] = 0

B 2 * (xa+XB) * (xa-XB)+a 2 * (ya+Yb) * (ya-Yb) = 0

B 2+a 2 * [(ya+Yb)/(xa+XB)] * [(ya-Yb)/(xa-XB)] = 0

B2+a 2 * (1/2) * (-1) = 0

A 2 = 2b 2 ..... (2)

(1),(2):

A 2 = 6, b 2 = 3

X 2/6+y 2/3 =1