Page 42 - Math Grade 12 (Basic)

PROEUS DARA

ann 9
u

y
btmtHl.m

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o , o cr o ~ / ''
t:JJ'lm ti 111 1 : t i:'l'tll2 ~HH'i 'f:§' 2 1.r fHl..fl 6'ibl1lt1J ''
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U I ' ''
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. {X- I 0 s; X 2 ''
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f(x) = ? $ '1 I""' :59 0 c
X~ 2 <X :5- 3 2
'i:fH~ c h:Hli .f(c) = k ~b9 ?
otrJw : m'f:§'umu&s~Si:'l'f:§'2utnmm y (3, 9)
IN I t.n "-"
t1:ib1.H~nn~tH2l8 [o, 3] '1 ti:'IW12 = -! f(3) = 9 '1
" "' 1 ""
dj k thBGHHtfn'f:§'ti5tsrltH2l g 8~ 4 t2"H filS
lJ lJ "" '"'

~ ~ or • ~ ~
m nHi.Hti~ s i:'l'f:§'S f thm rum 21 mg X
1 ""
n.Hmdru~:n t2lg (f(a) · <
1m & 1 "'
......
[a, b] t1:iru f(c) = 0 '1

'"
"
t:JJ'lmtifrJ 2 : t t!l ru 9nmnnmru crmtnmmmmg~si:'l'f:§'S m
"
0
"'
G\1 C'l u t.n ...,_, l
3 0 ""
f(x) = x +2x-1 mscrssr~n c tsrln~m21g 1] ttHli = 0 '1
lJ "" '
"' I
otrJw : t t!l ti5 + - 1 = -- 8~ 1) = 1 +2(1)-1 = 2
2
IN '
f(O) · .f(l) = (-1)(2) = -2 <() '1
I)< 0
[0, 1] t1:iru .f(c) = 0 '1
wr.mtfnl3: ti:'1§1i-Hli:'l'i:§'2 /' RM~nnru = 4 + 3x
U ~ I ·
k = I '1

= 6 ) = -6 '1 ttl'f:§'jH'l c ti:'l'tll2 .f(c) = k = l
2
2
3 ±
4 + 3c c = I , c - 3c- 3 = 0 ti:'lffl2 c = ---
2
= 0 'tll2'i505
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'f:§'ti5n~crt2l8 (I, 2) '1
w "' I ""