aita taf f Wamd8 Wamd8 Gai Wlbumf bmdac sl`lrfmim MB ymik nlnocud `um blbmi tlrpusmt Z docbomr pbli>m= n:p:mi pln rs. lHkmo rmp mm irko `lin kmlindol nkn b`lmribltoiitkukco fln > p=m :.<
Z m > :.<
Hmwmb8
Nanli dlitur nmcsonun8 N > Zm > :. Z Na`udus plimnpmik8
z >
χ
π
nmx
nmx
> >
N z 7U
2 bf
> >
5 Zm 2
bf 7Z
2 bf
bf 2
5
→ Z > → Z >
bf
χ
2
5m 2π bf 7
Blbmi nmcsonun → χohoi Z>
bf 2
χ
5m Z>
2π bf 7
(==)(=::)(= > 62 6.2 =2cI
Hm`o tlkmikmi dlitur ymik nlilitucmi `osmoi tlrslbut. Nmcm blbmi ymik `oohoicmi Z > 6.2< cI
Dmtofm Dm tofmi i Wam amd8 d8
Plituc ucmi mi tlkm tlkmik ikmi mi kmym kmym kls klslr lr nmc nmcso sonu nun n `mdm `mdmn n bmdac bmdac =. Plit `mi tlitucmi pudm tlkmikmi klslr pm`m totoc 2< nn `o bmwmf bmdac pm`m = n cl cmimi `mro rlmcso slbldmf coro.
Hmwmb 8
>
π
m.
mv
7 2: Û =:
:.=(:.: (0) > 5 NZm
Nmx
2
U ⎓ f 2 π
0 NZm
7
π
b.
>
⎙
2
: y 2 0 > Ο ⎔⎞ ⎞ − ⎪⎑
⎓ =::2 2 ⎙ π > 2(0.=5; Û=:5 ) ⎔⎞ 0 − 2 =.=2 w I
U > w −
`mi = 2
R2 > 2w I
( x 5 )wx > w − =2= wx 2
w − = wx
2
> :
x > =2 > 7.05n
`onmim
=2
N > wx −
= 2
( x 5)w
x
2
7
> wx − 75= wx 7
N x >7.05 > 7.05 x − w(7.05) > 2 .7=wIn = 75
7
7 7 5< ( 2=: ) = − 2 ⎭⎢ =2 ⎧ =2 ⎥
χ
> Ny Ο
=2< Û =:5 > (2.7=w)( −=2 ) → w > 0=cIn 5 :.=2< ?< Û =: (=: )
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