Page 235 - Math Grade 12 (Basic)

PROEUS DARA

6. ABC Ol~~fill:t!Hu'i:Hi1tl AB = AC = x , x>O
A
1!ln'I§Nl!'i~1.m3mtifinru A 1
11 II ....:> II

Q 0 ~
m2m~n nnru A tf;:lru [AB] , [Ac] mdt21n
on II li X X
• 0 ':>
~
= H c m trHu filttH'IH s m n '1
IJ
----~----
1
B _____ .o_ ____ C
&1:1ltl5 AB+AC+BC = 2x+BC = 2p sl§J BC = 2(p x)
H
tn O<x<p ttfiru HB = HC = p-x ~tfiln.lltnb AHB
tnblf~ H
2 2 2
= AB -HB = -(p-x) = 2px-i
> 0 ~\m~ru X>~ m2JAH = dl:i~Nn~MtfilS

2
!{PttHutnntfils s = n: x = -x)

dl'i:fl!a t filS
1 1 2
= -SxAH = -n:(p-x)
3 3

2 2 3
= o N'l§'l§ru 5px 8p x + 3p = o
II
2
8px+3p =0

XI= , x2 = p

p 3p
p
X 2 5
~
v'(x) +
v(x) ~ H~U~'i:fl~

~
' p
G'il'iHnnb~uunnsurnQ~C1.Qlilliln <x = 3p <P
0
"""'
2 5
3 3
tl!ifin..n~ms X = [ m2J AB = AC = {
4
BC=2(p- = { , AH=J2px-i=pf '1

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