Page 246 - Math Grade 11 (Advance)

PROEUS DARA
y
8. n.

9. n. s = ( -oo, -t J u [ 1, + oe)

~- LffltH~msin2l~HLff1'iH~nJHlti~Mutm& x E ( -1, o

4 2
tltHS& !x +x -~<0 Gtm& xE(-1, 1) '1
u 2 2
y
10 n.
~- s = [-J2, J2]

~- LffltHilb f ~~ts"lt1.fi1Yti~~ y = -2

dtm&x<-J2 tix>J2
"'"

11. n. y
~- nl1:11.fll'i5 c, ~m sin 21 tl tLfflY Cz
0 0
crtm& x ~ o tlut a & mm&x~o t~QlS
2 u
4
4 3 2
3x + 1 > 8x - 18x '1
c2
2
~. f'(x) = 12x(x - 2x + 3)
11 9 X f(O) =
4
lli.
X -00 +oo
f'(x) +oo

f(x) ~1~

0
tltHS& utm&x~o t~QlS f(x) > 0 '1
u

13
2

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