Page 14 - Math Grade 12 (Advance)

PROEUS DARA

= =
• 2'UtfliTHfiTIHS~ I,. an rt3 '1 mb S = I,. an Sb S ctldru\jn n u'fstfiTI&sg '1
11
1l = 1 11 = 1

ti:1QlS S = f,an = a +a +a + ... +a _ +all= S _ +all '1
11
2
1
3
1
1
11
n =I
i:JtHS8 a = S -Sil-I '1 &i:1QlS lim a = lim (S -S _J) = S-S = 0 '1
u 11 11 n~+oo 11 11-?+oo 11 11
=
~LHS g dhfiTIHS ~ "" a 11 fi:HS"U lim a 12 = 0 '1
~ ll-7+=
n =I
=
dj lim a :t:O tSHtfiTIHSS I,.aJn'l
11~+= 12 n
ttnrur6w1inbr6n.m9 1 ~nil§'irJm1iorumrJnA-nnt'tJ~ '1
.. u u "'
1 1
i:J1:HS8 tm.nutuStrlSQlSnl&tl a,, -@smt9i~n 0 &SHtfiTI ~a,, 1n '1
u ctct u ~
n =I
o .o .- 2 3 4 n """'""" "'"""
ll!tmtif.'f! : ti:1tf1Sttu~»S~ 1 + + + + ... + n _ '1 tnttuasgctlttu~~'t311
3 5 7 2 1

• .,. 010 . n . 1 1 O '1
... , "' 1 !ill--- 1 !ill--=-:#:
2
11~+= 2n-1 - 11~+= _~ 2
n

= (I I ) = I
n. L ;; -n + 1 2. "" '1
~n(n+l)
11=1 11 =I

1
ti:1tut~nni5QJrh ~, j, ~, ~, ... ctl~nmMtflUl»S~ '1 qbn~nii&sg tfiTI f. n
2
n = l

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