Page 141 - Math Grade 12 (Basic)

PROEUS DARA

3UJWUm: tH1.fl m ~ ( 4x- S)dx + t (5- 6x)dx

~ -5)dx+t(5 6x)dx = [(4x-5)+(5-6x)]dx

2 4
= (-2x)dx=[-x] = 16+4=-12
2
(5- = -12 '1

= 3f ~dx + xdx
)2 X-

a. e;~mme~ei~rufi~ftu:!~w~utu.1~

:II
u = g(x) m·tH'itl'i:f!Sb'i'Jh~nli [a, b] bSlg f' f[g(x)]g'(x)dx = fl'(bl f(u)du '1
)a jg(a)

Mtt:nmuqpfi : mtl F dlLn~9~tSf £8'1& F' = f 2tl

b
~f[g(x)]g'(x)dx = '(g(x))g'(x)dx = [F[g(x)]J"
= F[g(b) -F[g(a) = (b) f(u)du '1
]
J .r; g(a)

3
n. + 1) dx

~ f 2 3
n. ~Hl.SlSl Jox(x + 1) dx

mtl u = i + 1 ' du = 2xdx ~ ~du = xdx

"" m x = o ~;mg u = 1
..,
m x = 2 tm& u = 5