Page 224 - Math Grade 11 (Advance)

PROEUS DARA

"'
3 fl7ffl UIJ7

Ublmttl ttl [OB]..L[CA] Sb [OC]..L[AB] tGrH [OA]..L[BC] '1
111 ...._.,

run o dli:Hli ttfiru ~. b shE m1u9~9ffiht~ticrn.nu A, B sb C '1
I 1
i> i> 7
n:flru [OB]..L[CA] tmg b·(a-c) = 0 '1

(1)
7 7 i>
Wlti5 [OC]..L[AB] &Slg c·(b-a) = 0 '1
7 i> 7 i>
tlm~g c·b = c·a (2)
u
"
i>
i>
"'
i>
fi1'jj ( 1) ~ h ( 2) t J:i Ql ~ b · a = c · a '1
i>
0~ i> 7 i> B(b)
Sl<U (b-c)·a=O '1
tlm~g [OA]..L[BC] '1
u
0 • 0
ruunntu
u
..
nh ~1hn '1
I
---7 i> ---7 " ---7 i>
t'i:i6nh AB = b , AC = c , AD= d '1 Ublmctl [AB]..L[CD] '1
111 ...._.,
---7---7 i> i>" i>i> "7
fi1'jj~'iJt'i:iQl~ AB ·CD = b · (d- c) = b · d b · c
u
A

---7 ---7
tlm~g AB..LCD
u
B
sl~ [OA]..L[BC] '1

c

2