Page 170 - Math Grade 11 (Basic)
P. 170
PROEUS DARA
dtm Jl6 1 : s n nth's y'
2
f'(x) = 3x 24x
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"
snynHEHi51:Hm f'(x) = o
f'(x) = 3/ 24x = 0
3x(x-8)=0 GS18x=0 ,x=8
'='
~
~
r::»
0
SnGl::lH~ f"(x) mmgyfds~ru')tShJ'tlnU f'(x) = o
f"(x) = 6x-24
- t3tm& x = o tf:lms f"(O) = -24 d) Gffi ru y = f(O) = o
~msg f l:flSH~m·t:mtlJliLnci x = o tffirunt~H~ml:llmJti f(O) = o
0
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- mm& x = s Gf:lt:flS f"(8) = 24>0 t'Ulru y = f(8) = -256
~ms& f l:flSHliJtial:lltGJliLnci x = 8 tffirun~~HliJtial:llttlJli f(x) = -256
lf\7
