Infi2_hw5 - 5 oeilib -2007 aia` - (104281) 2 itpi` 13 : 00...

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Unformatted text preview: 5 oeilib -2007 aia` - (104281) 2 itpi` 13 : 00 ,4.7.2007 ,iying mei :dybd jix`z xiip lr yibdl yi .qxewd ly mi`zd cg`l ec`n` oiipaa qt` dnewa dybdd :zxekfz xexiaa oiivl `p .micigia dybdd .wcedn yibdl `p .mixqlw e` zeiwy `ll A4 lcebn .xry sca jxev oi` .oeilbd xtqn z`e ,f"z xtqn z` ,cinlzd my z` :mi`ad mixehd ly zeqpkzd ewca .1 ( n n - 1)n (`) (1 - cos( )) n n=1 n=1 (a) n=1 (n!)n 2n2 (b) log n=1 n(n + 2) (n + 1)2 (c) n mly jxr - ,iaeig mly 3 k , n=1 (-1)[ k ] n (d) n=1 1 (- n n)n sin n (e) `ad xehd 0 ikxr el` xear e`vn .qpkzn n=1 an iaeigd xehdy oezp .2 :qpkzn n=1 an n .zeqpkzd gxkda oi` mixwnd x`yay dnbec i"r e`xd xehd :egiked .Sn = n k=1 ak :onqp .xcazn n=1 an xehdy jk ziaeig dxcq : an .3 2 lkl qpkzn `ad n=1 2 .Sn an (Sn ) =2 :l ziy`x egiked :fnx > Sn Sn-1 :y jka eynzyde 1 :`ad oeieeiyd i` z` egiked .4 n=1 n2 1 1 < + +1 2 4 n=1 (-1)[ n :xcazn `ad xehdy egiked .5 n] .oezgzd mlyd jxrd df limn n+ n- xy`k n = 1 :fnx 2 2 ...
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Infi2_hw5 - 5 oeilib -2007 aia` - (104281) 2 itpi` 13 : 00...

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