Page 128 - Math Grade 12 (Basic)

PROEUS DARA

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3 fntn UIJJ 1 : f:Hl.Jl 2l
_2 _ + _3_ = 2 ( x - 3 ) + 3 ( x + I ) = 2x = -:----::-c-;-----::-:-
x+ 1 x-3 (x+ l)(x-3) +

t til rutHi'i'li.fflf:l 1:24 ~b ~l:Hj;jb tf:llilS'i'li.fflf:lt 24 ~b ~b nil <J HfHu't3n1 m~ nthud1 li'i
U Li A /J Li A n Li ""'-' tJ
3
r:o~ A 2b s r:mrutlbm -=L + s
x+ 1 x-
5x 3 A B
-------,- = -- +
(x+ l)(x-3) X+ I X-
l:f:llilS 5x-3 =(A+

A+B=5
{ -3A+B = -3
2 3
l:f:llllS A= 2 , +
X-

!JfntniM 3 : fJHuHM~Lti.fflf:l 6 x + 7 ttnj ill\jntSLli.fflf:lbl ru ~uf:lM 21

6x + 7?dx
f (x+2t

l:f:l'i:flS 6x + 7 = A + B
(x+2)2 x+
6
r;mg 6x+7 = Ax+2A+B ttilt15tl't3i:ill2b't3f:lM tf:llil2 { A=
~ I 2A + B = 7
l:f:llll2 A = 6 , B = -5

6x+ 7 d f[ 6 =
f (x+2)2 x = x+2

2 2 5
= 6f!,x+ )'dx 5J(x+ )'dx = 6 lx+21 +--+c , cEIR '1
J x+2 (x+2) 2 x+2
m~wi tf:lffiuUttinLti.fflf:l ~~:~ ctlLti.fflf:lbltiHil1:3nH1Jl Q(x) ~u~btLfil1:3

fi. nSM + +
"" Q(x) =(ax+
P(x) = A(x) + AI + ...
Q(x) ax+

UiJRM~ '1
u