Page 18 - Math Grade 12 (Advance)

PROEUS DARA

I )'

= ~{n(n + l )(2n + I)_ z[n(n + I)]+ l
'
r
11
n 6 2 J
1 3 2 1 l I
= -0(2n ·- 2n + n) = ---- + -, 0 X
6n·' 3 2n 6n~

1 l 1
s > s/1 = -3 - - + -z '1
2n 6n
" "" " " b-a I -0 I
ti'HLHitHSH [0,1] dl n r:HSl8bfU')Rlti:Hl.J'i:flS~'t.HH:l Ax=-=-=- '1
.-v GV ... " lJ n n n
m'H(m9 1 )tiblmdlttllru1HHms t t§s~1d'i:f1SbfisnlimSlg ro, ll
U tn"'-" I t.5- GV

• 2
11
•
!1
11
S' = "" /.: ]r! ~ = "" (.:) (~) = "" (..!.)/
" L. lnAn) L. 11 n L..t 3
i~l i~I i=l ll
X
= _!_fl-n(n + l )(2n + I)] = ~ + _!_ + _1_ '1
0 1
11 3 6 3 2n 6 ,/ (.w9 2 J
u
tim s g bi'Hu s til s dl lJ:J~nlfnl s ~lis nGdl blJ:J ~ngn
u <;c;t .;lji.J" u .;lji.J"
.~ I. 1m S' = 1m (1 J I ) = - 1
I.
-·-· - + -
, n
II->+= " n->+= 3 2n 6n2 3
?\"' . S' . ( 1 I 1 ) = - l
1
"'w 1 1m = 1m - + - + -
n->+= " n->+= \3 2n 6n 2 3 X
0 :;< 1 , , (0, 0)
ti:!lru s"-:;,s-:;,s" Sl~JS = '1 ~msg~:~Lii!(Jli:S
3
o , "" I
6it58?1 s = - '1
3
UJiiffD: riMSl'E~[Ji!(Jl'Es~m~rcHli2blQi:L:!lruLmtJ~s f(x) = i stlnfUffitirqnJ

GbSlg X= 0 Si:J X= 2 (mg 3) '1
GV U
13