Page 11 - Math Grade 11 (Basic)

PROEUS DARA

~llii:IU)tgf.ll:lit _ "-~~ (an) .-!-,.,_~~~'onn~C> n<ouf{"\r~ a
<i!til.....,~<l>il......, bUoo WlbUooObWI••"" •u o bllbblal<a <a3<a < ••• < <an+l< ...
& & u u u 1 2 4 11
1 1

n+l n+l
t~Ql2 an+l = ( 1) - --2
n+ +l n+
o n+l n 1 > 0
titmg \:ln~l tti01S an+l a 11 = n+ -n+J =
2 (n+l)(n+2)

<.1...., roo .. ~~ ( ) .-!-> .,_~~.·~ n n l"; o '1
~Ubi"'Ob~bl an nE!N Wlb~oo'ilbWJ•u""
1 I
n+1 n+l '1
t ~'i:fl2 an + I = ( n + I ) + 1 = n + 2

n + 1
2
an+! n+2 n+l n+l n +2n + 1
t~Ql2 = = --x-- = 2 > 1
an n n+2 n n +2n
n + 1
2 2
n + 2n + I > n + 2n

&Slg an+ I >an 'f ~msg ~~ (a 11 )nEN ctl~~~OJJ~2 '1
1 1

1 1
n. l ' 2' 3' 4' 5 , ... ' n , ... 2. a = 2" , n;;: 1
11
n
~- 1'

4.

... . ""'
4.1 MfHn nnru
117
I "'
tJ!nmtnn 1 t~2J~~ 2, 1, o, -1, -2, -3, ... '1
1
t~hlt~~&IDE!Jctl a 1 = 2 > a 2 = 1 > a = 0 > ... '1
3
~~mh'1~ts8mt'd~mnhru '1 Bss 2 ttrrlmtmrntrutst\5~ '1
IJ IJ lJ IJ
I 1 I
11
antfflblitrut2~~ (a 11 )nEN ttfnJ an= 3-2 '1
1
6