Page 23 - Math Grade 11 (Advance)

PROEUS DARA

0 • 0
rutrrHHU 2
'ill

t?lQIS an+l=2a -n+l¢;.a.·(n+1)+~=2(a.·n+~)-n+l
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{a.- 1 = 0 ...
d
n·(a.-1)+~-a.+l=O t?lOISi_?Cl~ ~-a.+l=O tUH15a.=1,~=0
tffig r 11 = n tljdrt.Hu~~tl~H~G'i an+l-rn
1

fil~ Vn =an-n (1) tmg Vn+l = a + 1 -(n+l) t?lOIS Vn+t = 2·Vn
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tUiru vn = 2n-l. vl

0 • C» "';) Q 0 '
1'H1S16'i~9 n &S~G'i (an) i'Hl.flntt:!lru a = 5 , an= 2an_ -n '1
1
1
1

0 "::C» Cil 2 0 tQ) '?Ql
t?l1f1Sd illtin n G'it:lti~ tS MG'i (an) ?l S = n + n '1 nrulnn9 n tS tun
u \.1 u " 11 \.1 4
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0 I Q} \;) Q)
nrul6'i~9 n tS~G'i (an)
1

2 ( )2 2 2 0
an = n + n- n- 1 - n + l = n + n- n + 2n- 1 - n + 1 = 2n t m 0 an = 2n '1

Q 0 ":1 C:l Q
;ati1flt:tl S ?lr:lldill1Jn n ~f.:I1J~tS~n (an) tmg S = a +a + ... +an_ +an S~
11 11 1 2 1
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