Page 142 - Math Grade 12 (Basic)

PROEUS DARA

tJgn ti 1£1
=t = [u 4]5 = 625 l = 78
8
8
8 I

2
2. f:H1.flal f 3 x mi:lu= +I, du=
Jl(x3+1

""' m x = 1 ~mg u = 2

~'t)
"" X = 2 t S"J g U = 9

=

7 'j
18

~ r x+l d
n. Jo 2 3 x 2.
(x +2x+2)

M[.1:1lttifi llJ'IIi : t I'! Ql S

(f(x)·g(x))' = f'(x)·g(x)+f(x)·g'(x)

{aU(x)·g(x))'dx = ·g'(x)dx+{ag(x)·

{af(x) · g'(x)dx + {ag(x) · f'(x)dx = (f(x) · g(x)J!

{af(x) · g'(x)dx = (f(x) · g(x)J!-{ag(x) ·

1t
Wtmtttf/ : l'!M In A = /o xcosxdx , B = {oxexdx 'l

1t
Gtftti : J:HlJJ Sl A = )o xcosxdx

fili:J f(x) = X , = 1
g'(x) = cosx , g(x) = sinx