Page 184 - Math Grade 11 (Advance)

PROEUS DARA

3.

~sinh'UtiRrlu ~r:'imh8ssrH~u z, z y
c::c 6V tcru U 1GV 1
c
I
sh z2 ~L:llt15Grulu~Dhm A, B sh c '1
I "
~r:'iQlS~~fflrul ABC ( amnh ~) '1 ~~13j
f:'irulSl LBAC ttllt15t1th3ssfiou tf:'ihlti1u9a
lJ U IGV 1
---7 --7 "" ---7 --7 :5 ""
OB' = AB Sh OC' = AC '1 ~r:'iQlS ABC .. w
OC'B' ctl'i~tfflrulE:lGm ttfiru
l.j u ..
LBAC = LB'OC' '1

AB mmffltlts8ssfiou z -z ~tiiru AC ctlmffltlts8ssfiou z?-z '1
U U tov 1 U U l!SV -
"" ....,. "' -7
~ruhms OB'(z - z) sh OC'(z - z)
2
1
--7 ....,. "" --7 ---7
(Ox, OB') = arg(z - z) Sh (Ox , OC') = arg(z - z)
2
1

Sfl1'iJltnfl 1 ttl A(-1- i) , B(l + i) Sb C(-1 + i) 'U&~nQlS~tfflrul ABC '1

f:'irulSldblitu]'u ~~ Sb LBAC tS~tfflrul ABC '1

m13m13s AC = 'z2- zl
u 11 AB Zt-Z
tn z2- z _ - 1 + i- (- 1 - i) _
z -z- l+i-(-1-i) - l+i
1

AC = ..{2 '1
AB 2

179