Page 47 - Math Grade 11 (Basic)

PROEUS DARA

2 2
m. (o.7t > oA9 tu'l§~ru co.7)x > (0.7) 'Lmg oA9 = (0.7)
x < 2 ( tl?llruts f11t1HHlfl o.7 < 1 U61~m9 nH~1 M~mn
~ 1 n
u u
~ ql 0 0 ~
i:lms g ~ tu~mnns tun.nm~ru x E ( -oo, 2)
U I 6V
2 2
b. 4x-6·2x+8<0 hl'i§'\lru 2 x 6·2x+8<0 tLmg 4x = 2 x
2
t - 6 . t + 8 < 0 mb t = 2x , t > 0

f(t)<O tSlg 2<t<4 ~ tE(2, 4)

X X 2
t = 2 t?ilfiS 2 < 2 < 2 ~ 1 < x < 2
i:lf.HSg 1 hl~flla'tflShlrultH~IlJ x E (1, 2)
u 1 ""
1
1
3
3
u. 4 x-I > 1 tu'l§'l§ru 4 x- >4- 4 fi'i'I§HmruHbilbn~§H!Ul?ll - - =! = 4- 4
256 u L;u l'l u u "' 256 4 4
3x-1 >-4 ru~n.n:~tu~m~Hutujn.niHtuJru
u

tfjtuplf nnn§jfit~ x >-I 29ltf1Hul x = o

3 1 1 3 1 1 dstu x ttrlru o
4 x- > tu~~ru 4 (o)- >--
256 u 256 IJ
-1 1
4 > 256 MlJ ru
IJ

...
"'
i~e5~~ ttrl gLnnru1 tu~ma

n. 3x < _!_ 2. 4x;;;, 64
27

1 m 3x-1 !
-X
?i. 16 . <9
< 256
x 1-x 1 2
b. 2 X 8 ;;:,4 u. 3x -2x<27

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