Page 185 - Math Grade 11 (Advance)

PROEUS DARA

LBAC = arg(z - z) = arg(-i-.)
2
z -z l+1
1
= argi- arg(l + i)

tltHS8 LBAC = ~ '1
u 4

z = x+ iy

_ l2-3i-x-yil
- li-x-yil
- I ( 2 - X) + (- 3 - y) il
- 1-x+(l-y)il
2
rn 1(2-x)+(-3-y)il = Jc2-x) +(-3-y/
2
1(-x)+(l-y)il = J(-x) +(1-y/
2
J
2
?
?
..;..(.,_2;=-=X=:) =+=(=-=3=-:::0y-'-) = 3 ¢::> ( 2 -X r + (- 3 - Y r = 9
J(-x)2+(I-y)2 i+(l-y)2
2 2
4+4x+x +9+6y+y =
2 2 9
X + 1-2y+ y
2 2 2 2
13- 4x + x + 6y + y = 9x + 9- 18y + 9y
2 2
2(x +2x)+2(y -3y)-1 = 0
= 0

0 • 0
rutnHHU 2
1.1
1
stl z2 = 2i '1 mfin..n~crn.nu M rtlru arg(z-z ) = ~ '1
u 1 z- z 4
2
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