Page 169 - Math Grade 11 (Basic)
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rutmtHU 2
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2
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H'itwH• y' = 3x +6mx-m
t:ll fi ruQ~H1Q ~~'t3j~~Hj !:i't3 2'Hls H~mm sbHtiJmmmJu
or::» 2 t::J) !.,q eJ
hl1:H1U 3x +6mx-m = 0 ffi2lihlblHO'iwffl ru8H11&61 11' = 3m(3m+ 1)>0 '1
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ttl 3m(3m + 1) = 0 tS18 m = 0 m - ! '1
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3 0 +co
mE(-oo, -~) U(O, +oo) : I -00
+ +
~"(x 0 )>0~
~o)=O
: f"(x ) < 0
0
0 xo 0 x 0
f msH~mmtuJu f ffi2HliJmmmJu
ffl't3Lmli9 1 H~l=i't32 f msH~mmmJm24L61~Gn.f1uf~ ruLmumsu~fithdl
u~~!:~ n ~:t.fl tim~fitigL61~Gn.flU&L:lJb t9J61~2Lmuf~ rur;24n61tSl g ms m9 ML£nli9 hl
ffl't3Lfllti9 2 H~!:i'SS f ffi2HliJm'i:flm]mmL61~Gn.f1tlt~ruLmumsu~fitigm
li ~fir;~ n !:tflli5li ~ fitig1J'l~G n.fl tl&OJb r;gJ 61 ~2Lfllli t~ ru r; 24 n 61 r; Sl g ffi2 &'t3fl MLmli9 hl
~Fist9jb ~mssrnm f'(x) dlH~!:i't32tffs r;t.flrn f"(x) >O '1
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