Page 58 - Math Grade 12 (Basic)

PROEUS DARA

2. tt~lttmmu~ru

!lfntnUuJ : br:l2JH9R'eS = +x-10

4
bRQl2 f'(x) = 15x -21 +

j"(x) = -42x = 42

= 360 = 0 '1

mgc£1

'i.Hl1Hrltlrh. tfjlt~9 1 , g 2
Sl <!;

= +3x

= f =

f = 24x = 24 '1

--2
- 1-
X-
) 1
'( )
--3
(
tf:1Ql2 f x = -2x = -l 2x -3

JOO)(x) =

"'
H 9 f:l'\:§8 Zli:HLffl'e

n. f(x) = cos3x- 2. sin4x '1