Page 14 - Math Grade 11 (Basic)

PROEUS DARA

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= re~ii =-==-=-=-·-=--=~·-=-=-·-=·-=·-======·-=-=-=====-=~--=·

n. 5, 10, 15, 20, ... 2. 1, 5, 14, 30, 55, ...

2. hlH hl~ 61 t2 M61dltl~ hl~tl t'ifll'B
u & t.:.
I
( -1 )" 0
n a = -- mmg 1:;;; n:::;; 8
. n n

2. b, = ?1. C = (-1 )"(n 2/ ill. dn = (-J)n 2'1-·1
11
+n
4. Rrul~~g n BtmgUJti nEIN t2~61~htLfil'B

1
n. s, 7, 9, 11, 13, ... 2. -3, -1, 1, 3, 5,
2 3 4 5
t:l. 16, 13, 10, 7, 4, ... ill. 3, 5' 7, 9' ...

~......,""~c)<)"' I ......,,."%~..,g'1
5. 'i5wtmulfDOJ a twill a = -- WI&~••Lj
Ul'-' ~ 11 11 n+ 3
1

2
2. ~61 (an) tt:l rn an = n - 4n- 5
1

9. tfiM61~tlt1fil'BctlM61VHlimg ?
& t.:. & .,..
I I
3
2 2
~ ,."%~ ( ) f:'"' n< n + n - 1
n. &u., a 12 nE!N bW&u a = --::-----
7
~ 11 n- + n
n + 1
n+
11
e
2. a = -::----
11
+n + 3n-4
11
11. t?l'i:fl2~61 (a ) tt:lrn n m8~2t1~ tmru a = 1 stl an+ I= a~+a + 1 '1
11 0
1
n. tihlmrhhl61 (an) tt:lrn n ctltJ22?1~ mflimfis '1
Ul"'-l> & u &
1 I

9