Page 160 - Math Grade 11 (Basic)

PROEUS DARA

0 ' 0 3
ruUTHH!1~ b?'i~H~f.'i'i:3~ f(x) = 4x -12i+3 '1
u
'>
n. an6H'i:3 x b~'l:3j~ f'(x) = 0 '1
6\1
'>
~- ail6H'i:3 x b~'l:3j~ f"(x) = 0 '1
6\1
2
n. b?'i'i:flS f'(x) = 12x - 24x = 12x(x 2)
f'(x) = l2x(x-2) = 0 n.punt'n 12x = 0 , x-2 = 0

~ms& f'(x) = o L"lpunt'n x = o , x = 2 '1

2
~- f'(x) = l2x 24x t2l& f"(x) = 24x-24
f" (X) = 24 X 24 = 0 b 21 g X = l '1

~tHS& f"(x) = 0

"' "'
i~~~~ y = -i+3x 2 2x+2

n. ~nnt~ x t~'l:3j~ y' = 1 '1

~- ~nG'it~ x t~'l:3j~ y" = o '1

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