Page 167 - Math Grade 11 (Basic)

PROEUS DARA

2 0 '
n:h ti5 I2x ;;;, 0 tH m g1J1'U X E IR

b2.Ht~Hfl2 f'(x) = 12i+5>0 E'ili xEIR '1

0 ' 0
rutJTHHU 2
IJ
0
LHm8x>0'1

f'(x) = 2(m-l)x

b
d
1::.
1::.
3. ;f<nes~~ejeee;.nsjeS~Gejeu~HSi~~e
3.1 ttfiUitflit4JU UUJUitflit4JU SilHfiU9 1

or ~ ct 3 2
391f.JUM t?l~ii~?l~S f(x) = x - 6x + 9x 2 '1

t?1Ql2 .f'(x) = 3i- 12x + 9

2
""
[;'U .f' (X) = 3 X - 12x + 9 = 0 b 218 X = 1 , X = 3

X -00 3 +oo
f'(x) + ~ ~ +

f(x) ~2~ ~
~ -2/

m'i:Hnn~:no~::~&ru &?Jms .f(I) = 2 mnl~H~m'tfltw]tils t Lnci x = 1 cmru

f(3) = -2 ctlfit~ii'UJliaffitu]titS f Lfici X = 3 '1

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