Page 147 - Math Grade 12 (Basic)

PROEUS DARA

4. tf:l'i:ll2f sh h t:hH~fi'l:3SrtrcitUiru f(x)dx = -1 , }t(x)dx = s , th(x)dx = 4 '1

f:lMSl
n. [ -2f(x)]dx ::3. [f(x)- h(x)]dx

R. f(x)dx lil}[f(x) + h(x)]dx

0 Q e) 0 '
5. n. f:lMSl11~21:HiA, B tr:HlimmgLfili xEIR-{-1,-2}
X = A + B '1
(x+l)(x+2) x+ x+
: f' x dx '1
J3(x+l)(x+2)
2
x + 3x C
C ttlruthmg~ti xE IR-{-2} , --- = Ax+B+-,.., '1
x+ 2 x+ .:-

f
eto , CO$
7. f t:h~Hjf:l'i:32nn.fHHilliR tr:J!ru: = l(x l)(x-2)1 '1 fiMSl J = Jof(x)dx '1
4
8. t t:hH2fi'i:3SRM~tru (2, +oo) nllru : J(x) = - x+ 4 '1
1
(2x-
v
n. fiMSl a, b ttlill f(x) = a + b '1
(x- 1 3
1
3
h(x) = ~ '1
-X

I
+ 1 )e X '1 'i.Hrl mm h mucm9l
tJ1 "'-.J)

n
C» 0 e) C» 2
to. n. n:llruttu-nht61'ifnrnttilrutdnmtlh fiMSl )ox cos2xdx '1
& ~ ~
rr rr
2
2
2. tfiti5n l = fiicos xdx stl J = fix sin2xdx '1
. fiMSll+J . fiMSl I-J. 9lm~ni shJ '1
"'-.J)

11. 2li'i:llGl /of(x)dx = 3 '1 ROil Sl f(x)dx

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