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i -'~ x‘ 4' X I I-/. 7H '!'P‘_-.—‘|-(.3. u U P-—'>¢ = 0 ~ >'_F’—';J»= o 1;...

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Transcript
Page 1: i -'~ x‘ 4' X I I-/. 7H '!'P‘_-.—‘|-(.3. u U P-—'>¢ = 0 ~ >'_F’—';J»= o 1; f+v_|o(y-dx{-.| vd _XdX Y_7 dg = e1=.-__.=%__ I 2! 1 V ' ='> P-I =9 50,, ~,. 1 In..1 ...

3' '\/\I Q Q Q. /‘4 "-"<1 ---1' " -‘ ' - --~'- -1 .- ‘ -~ .-.. ::. u .. .' - -< r.>m r _+..,~,,,\_g,~.‘ 51:.-.,~,-...-4..,_..._,-,.,_ ,,_,,,..>._ ,,_ {V-5

I . :,.> . ' . " - :'

. Y~.;:.-.5 3:3 39- ‘T-... 4 . .7 ".'§¢,--__§_¢__:.)¢.pv,.-,1

w .‘, ‘,...\..‘-'-. -

->¢-_-._v-5"

i

I

l~ , | 1 M W°?€AE‘*@EE%€

‘zJ

l?

g I

I

i

. €

_._...,...

_:.v\.-

.

I

' Q .- '3', --.

v ‘ 1; ‘-2- 1. ; ':-,.-.'- 1.1 -_- a -:;\‘.‘,v|»-.\. ; '~e. .,, ~_, .¢.._»4 "\l<,1b§_\"1\1\|‘L-vi4{ITY“'I“»\'1‘§'l4A||.'fP‘“',Vg ,|‘4y|wg> -.~. W .1:¢_;;\,¢,,”;=;-:;;,~,;m¢,y.-51

I

. ,_‘,-.-7 ._~

Non Linear Diff. Eq-" 50j_?0Ifder oneY

Am eq-L which is mat‘ linear, is colleql Norw-Linear} (See ch-‘10)'

Cor‘w5ic>le»-‘the non-'lineor diff» §eq- ffsb order‘ ’

1

I I

.

5

1

v

‘.

'5

l

0

I$

.\|

1

./

02

.~\_ - ~ 1

or f( I’ 015.91’ § = l Z ~ . I , A

‘ ‘ mi 5 ,

.' I »;. . ; . ..~->_-'._'.' I. .' ', - . x‘ - » - Y i

‘ A i- ~3=*;==4;~. -'~Y . 1' 1

' .; ‘I352-;;;»L~_’ .;;1.S"=[=: , V 1 ¢ ‘ v I‘ . ‘ V ‘ . n I > %

D ;Y-'1‘ 5v",',A|.'-1<'.~-1'-6" - ' ' I D - ‘_> :Jf.:14_-._ - Q . |/4 . .1-:1-:-<,w .»=~:w;' '--.-. . V _ .. . Y -

.~ , F . iv .

' J '.'.-->}~>¢g\_-" ",~\-. _\ 1- > _ . EB E. - L §.f>1-.§;'.»‘ . ’-‘ _ ~ I ~

1 _ ... ...,._,_ . -

.= = »v;;.-.1--;;:_; ‘ " » .-V »_,.A 4-z. - .-- l

‘ I

’ g — W 7-.E><a\fc§_5@

l.?£2!§‘J£!'¥£.!%sI 9% M1@@w»~k?@ L

TF1gs,'we usually , ‘raprasents NQm__[_i,.r\e;Qr ‘cliff e.q- -of U13

first Or‘>dE.r by }(X'9'p) = O’ whe_.'_Q' P__=_Q_L1~__l__

oil .’

We shall discuss the fouhr Le_¢A}-‘ml-ques to 5O\V‘e_ the eq..J(1’@#§),=o

\

|

.\{ | H \ ‘3 '

§\_‘Q

1 é .

DG»)6»)6+)(1%

S0|vobl<=_ for P ‘

Solvobla 3

Solvable ‘for ')(

ClOir"OuL7s QC]-' '

la” L '2, _3___ ___a_l_7_g_ 0|,’/0&0» éb L’

MW @>‘v+v "><»~,><w>=>m?)i-»(j"--Q<:9_.v"_‘<\j) £51.“ =xawU§i 5). "“

I)‘/ULCZ-bi L’ X,‘ - 3-» gi.::7 V2’ '\,., ' <' V

A “"3 H» J 3 3)-W 3 °%‘i*"‘:K ‘?if’"Y~ 2:‘

\’

"?1‘£i#;i?)L+(*“n"a”~n>%@‘-“=>‘v” ’ ~

Page 2: i -'~ x‘ 4' X I I-/. 7H '!'P‘_-.—‘|-(.3. u U P-—'>¢ = 0 ~ >'_F’—';J»= o 1; f+v_|o(y-dx{-.| vd _XdX Y_7 dg = e1=.-__.=%__ I 2! 1 V ' ='> P-I =9 50,, ~,. 1 In..1 ...

§-11'

.'_1.i¢3,._i:.-

.;\f1

P

¢

B;

. 85 '

§@lwabe mt. P ~

' -, , ,. .1,-,_-§_g~j_q\.e7'_ .¢,_¢.,-,-*,- .~ -

.1.‘

3i|

}

"me diff. q. £1 3'9) = £5‘ 50; O be _,olvable. for P

n>

K‘

0

O.

H-

if il; can be 'veoluc;eoL irwto 1-irwear factors-

: ' I ‘ I

r

1 - .

Examgpe 1,531+ W- Qty ; 0. '

501:” 2 2. 1

-.1

eI

..,I

3

1.

‘I

i1

Q

'i

XP-E] -0- 7(.?"EJ = O

=v (1P+,9)-(v¢P—a) + (><P—93 '= O

=w (1P_—3)[1_£P+3+\} =0' =v vLP-3 o or xP+g,+| _= o-

’ xP—~'j ' 7 1?+~_1+\.=Q4? =.. d ‘ d~J1 IT!‘ 1_ 2.. ,_'% at--i -:_'. H Q X -Ely-gk =

=> §i=<>_L£ => c>k9=_g_; -

'. . ,' H 8+‘ . 3 —~-»

F I I IW I ‘zv I’! .-.‘ "L H

-

F7‘ Tg = lr\‘L-rhjcA =_=7 >'"‘»(H+l§ =-|r\7‘.+ Inc,

1 I

=> lng = IQQ1. => |rW('d+l} ='lr'1 Qi‘ '

=v '5 = C1 =7 8+1 = ci‘=v H—=¢X=0' =7 x(5+1\,—-c=o

~//e"‘¢e the 9e.nero»I 501- is (9-c;>Q(xg +x—c;) =0 ‘

Exa 1 ’

I ! >LP-(x+X+&1)P+(x+x¢y_»g5){>_~;.3 _..-.-.0

» ' ;S¢Dl:~ ’ 3‘

v

fince. the _qLvenle.q- £5 5at£sf(eci_ by P=11 ' I - '

‘ v

Page 3: i -'~ x‘ 4' X I I-/. 7H '!'P‘_-.—‘|-(.3. u U P-—'>¢ = 0 ~ >'_F’—';J»= o 1; f+v_|o(y-dx{-.| vd _XdX Y_7 dg = e1=.-__.=%__ I 2! 1 V ' ='> P-I =9 50,, ~,. 1 In..1 ...

\___

4'

X

I

I-/. 7H ' !'P‘_-.—‘|- (.3. u U P-—'>¢ = 0 ~ >'_F’—';J»= o

1; f+v_|o(y-dx{ .| vd _XdX Y_7 dg- = e1= .-__.=%__I 2! 1

|

V

' ='> P-I =9 50,,

~ ,. 1 In

. .1 = O X —X?-1*, -1I:‘ I Vv

X X El 13:7 v(P"-Q (‘XP_73-X1?-3'P +1131‘) : O ‘ A l

J /' ' B9

.5

otx A — .= vp 1¢.i‘»‘_

| |

1 . ':7 Jdfj = J0‘-X :7 I018 '=I'1dv7L' GU‘

2 J H “ST=v g=>¢+‘¢ =7_ El7=X/2+c 4

I

I

I

~ 1=»(P-O ('P—5O(XP—g;) = O

' P-1 = o ‘or xP_9 Q: O. _ k

~

' >

OUL . » dlx ‘j:

OUL I

C I ‘

' " ’ ' . =7 E:l~cx =oJ/erwcefh \ ‘ .

6'" 9e"<”-"°’ SOUS (‘J"X"C)(9-'1;2—C)(Ei-C1) =0

j % [email protected]@’ Em‘ Y %

TRQ diff. eq_

: " IQ V H=F(x)p) . '

=0 [5 £5O£Ol id be jg,‘/Obieor y '

' ' car-7 be ‘Pm: i ~the ' form l

. ' ' :7 |I’1\_-j '='|r1X lm '

=> \;;~7L—_c_ =0 :7 51-1/2A-c==o -‘F C

Exm 53 ' 5 % % V%9*PX =P1x“ .. Examle 5 =-P211» P —%l é)_y0h- H .P1X‘l_-PX’ @. SO|:-’ '

.

@ w,r.{_. 7L. we QQL QQ. @ w.7-.{;_ x_ we.

(ii; 3 2- ~ ci:T) S2E;i :2 T)l1_ :z:x:F) s2£I2_

¥ 7_ '

( 7

.02

' #1» P=F-\- 21P+1ci1'i__ J .

-7 P = /4xPz+’2xl'P %~l;_7>__x Q_L_P - ‘ ‘om' on

Z

;J‘:> QBOm I

2'" ’P<'*1>5P>—><0_1>2P\,;-9.” _ L T’ %§ = P“?f ! l otx * O -_ 211%; A

I ' *

.

:V (‘ZIP-r + p_p : O

\ _

4|».

é‘W/,.86!°'a/

%'°@

=> (P—1)[ XP (P~X)--9(P_1)] = O * +1?-a xg Q

Page 4: i -'~ x‘ 4' X I I-/. 7H '!'P‘_-.—‘|-(.3. u U P-—'>¢ = 0 ~ >'_F’—';J»= o 1; f+v_|o(y-dx{-.| vd _XdX Y_7 dg = e1=.-__.=%__ I 2! 1 V ' ='> P-I =9 50,, ~,. 1 In..1 ...

;'

6’?‘Ti~1~V-,

TV. pl

.:

"*!‘¥“’7"'°’.“

§’"iiI* ' ' ‘ ‘ 1 1 c 1

»=> ('"iPX°)(1P+x9L—P§ = O A => Q: ___2P*-*' 9 .

=2

12

.,_.-._'.j:r'_~:

|

. , -

;- *1? , r

. I ' : ‘ I, I . . ..

O“ <11’ ;P(\—..P) ~ “Q; 1! . 3 ' “ r E

3‘ ':E" =57 —- - ~ ' ‘ ' -_;_. l,.2P7. -.0 or '2P+X9$LE —- 0 --> dx 2X \ ;

1 ,v X a-5: .__.-.--

Corwszldr, V _ ‘P "“"’7 i

=719LE=__

" — 522$ .£_ = '.‘.__ .__2P+x $2 = O "7 dP +(P—\\X PL?-\) ®

AIL is linear in xv, 3f(P)=-2P ’ '

u out .U(P)dP 2|n(P_-|) 1i SZL-E:-—_2C’L¥‘ ,',I'F'=-‘e, zz =e_"=(P—l)

1

n

I :3 = ‘*2 '!'T>‘l(-f ‘fie :> G-1.07-oil 2(-P_Q)LOlP =-(_£'PL\) dp

P X. /vlulkiplgimg @ by i-(:5 _[-F/ w<=_ gél;

:7 .iE-.-..—.. it f AZdl~* ; JP 25 ;< (P--v H5 +’2(P-OX_=_'_Eé'-

».1

..‘_-._._..1_..._C‘.

_>\~

I . _ _.

- * '~@+'~= ‘ MP-~»11= (—\+‘/P7d.P~ = lncxlz “ :7; o([x(P-02]» = My?-QdP ~

=’ P =1‘/>1‘ -§--@ Y1

' . 4 _=7 7L(P—V\) = .|"\P—P+C¢ 6/inwimiotimg frorvu ’@, @ - - '

=7 K_ C-P-rIr\P -

We 9“; 9 = ct C/XA 0?-01 @

|

1 2~ 7‘-tJ"CX-\-C,-=.Q_ 3-;P(-IT“

I H“

- I .

=7 X3 = Q11 __c Putgng value O{ ' 5'“ Q9-»@, we. get

_> C—P+|nP .

. (P-Q7" 8+‘) .®. @:' @ 8 I've, H19. 50]. OF ®

1» T \ 1 -1 ; wivaalné-FMX% W

.

TF.e. diff-~ . " ‘

i‘*1-CI jU€;y,P) =_0 £5 said Lo _be 5O|\/Qble {_Q,- X

fit c°""“°t b‘%fQ<1torizeok ’o1rwoL com be. Pu-E rm thg form" X = B1 P§

EXHIHPEQ X7, 1+ Pa

50!:-— |__(_ I '"' P + *i—--———-—--i~__________ @

-Dif/€»"erw££o££m . -' 9 QC] @ W1‘/‘-f. LJ’ W6?

Page 5: i -'~ x‘ 4' X I I-/. 7H '!'P‘_-.—‘|-(.3. u U P-—'>¢ = 0 ~ >'_F’—';J»= o 1; f+v_|o(y-dx{-.| vd _XdX Y_7 dg = e1=.-__.=%__ I 2! 1 V ' ='> P-I =9 50,, ~,. 1 In..1 ...

‘I

» Q0] 1 * - —-~~-—»~ ~' / 91

-‘I

'.1

U

1.

r 1 ‘ 1

='rk"'_Lz!9L-E"\‘g—?- Vjl. .dy Pdu cu)‘ ' ~

,

I‘!~|

°.

II .

.1

=? jdu = j(P-\/P)dP

|

‘:7 [H = ~\-g ____®

7f1us ‘@, @- give the gemerol so\ 0} -Lhe gt»/eh_/ -:- ' D ' Q ' £73 O I £-1 '1 " \"- “M ' q p form" ‘mm

iiamls Egg, L '!'!!1~1; [Y-Am eq' '°} the tjpe U = ‘XP-rJ£(P) ’ » where P-.= %§_

‘ ‘K

is Called clo£rout’5 Equoh-on '. I .

Tlncorcm ,

emer-ol Solulzzorw OI lhe e_q. 3 =1p.{_S_(P) £5 Hy cx_‘_§_(q

Pram»?

I ?

~ :1=xP1-§(P3 -§@13i_{f&r€l:iOC£r‘W9 Q) w.,-.t If We get '

iH_I_ P" "~ P+1§K+j.(P1-ii}:-L *

' dx>

1

\

1 i <-L W \

! /

, , "’ >3“;I !+ (X + .f(P) _"—‘

:

Page 6: i -'~ x‘ 4' X I I-/. 7H '!'P‘_-.—‘|-(.3. u U P-—'>¢ = 0 ~ >'_F’—';J»= o 1; f+v_|o(y-dx{-.| vd _XdX Y_7 dg = e1=.-__.=%__ I 2! 1 V ' ='> P-I =9 50,, ~,. 1 In..1 ...

...-n-.

l

f

\. .4‘

. 1,» 913 Remark '

"*"=*'%"-;»\

.

I . {he above theorern, i{ we c.or'\sioler x+ §(P3 =F\

we get 5 = -P§'(P)-1-.§(P)l '

if we. consider 1+}/(P) = I0 » ‘

D,-1 =__ _Jt’(p) pukL-{mg in eq-® ¢{ the above theorem

' TF5 pjor-arnehric £;q5- : ' I

1

S 9 I '

1 ‘ ‘

ac = —§(P)

t I \

= §<P)'"P§(P)' ' . ..

TQPfe’5e(§b‘thQ,'~§if\9LllOF SOL OJr~ -

7Fn's 501- involves no Orbiffad ¢°""5“°""' ¢°"e°'" 5""9'~“o' sown“

\ Example %

0-QETQWPIB Y A W Y

Find the general sol. amok

' . 5ir'\9ulOr so\-.0§' H =>iP+~‘qP“————‘-

E-Q_..@

:

SO|:- ." 50:“ HP-z'\‘P7(3"{\d =0 ' ‘

Find‘ the f]€f\£rO| 5QI- Ofd

Sirgulor sol- of _)_!%(‘_4J"P7Q = UP?‘-*@

T1: M IL? 'i§*"c»(ai1-out; eq; IL is Bt solvable for P, ‘d-I

. Gvé’-POI 5OI=- We com convert G). ite

CE.“

n_

ii4

1+

D:

' Iirgulor" SOI=-

.-.-

‘ RHOW U'\Ot7

[.

1 ' ' ' V. 2' l

I

, . » 2 d ~'“I {he cloirauf5'Eq- -2—:J—£?:i-i— = -3-!

~'rn i5

\

" Cloiroufs eq- Q5

Let U '= X 1 V: E/2

.-. _du =2xdx a 'dv= Qgddj‘

Now - - i V

u

.~>,' iii: XOW,__ . oLx- §jc:U-1

\1

\

x

‘ . l ‘ I ‘ )

r 1

x'0 _°®

’%,l.Z1%6

ea;4,,.57:

Page 7: i -'~ x‘ 4' X I I-/. 7H '!'P‘_-.—‘|-(.3. u U P-—'>¢ = 0 ~ >'_F’—';J»= o 1; f+v_|o(y-dx{-.| vd _XdX Y_7 dg = e1=.-__.=%__ I 2! 1 V ' ='> P-I =9 50,, ~,. 1 In..1 ...

-_~;.,_»:.i‘n-:.:L»;,...-.u;_u;_

|.

1

-~

i»-

1

1 .,,

i r: Ll = ~H<_v1 ’ —

‘ ' v X

z»"

V

QV, /

‘ ' " ' 93‘, 5 ' _

T We can eh'mi'noL- P {row-@, <1: ' ' It-"15 C|Oir'0uk'5, eq-~ ~ . ' -'- ‘L . "Y,“ (_1)}'-5 1'5 gamer-Q\ sq 15.

._\

' ' '2. 4 \

I

"' ti"_= *3/l1("x)q/3 ¢ » V -= c“*.‘3 .

- - ~ - 2 2‘ vb '7 E! = C.)L + Q1 vrQq- gene:-0| sol.

1 7.‘ _:%liX' I I Y = - 1

' : 1. ‘ Eh"-QHIOP sol. ’_ -

/3:7 143 = ...3)(s- _. = av Zzf\(‘€ v u_Jn.,(%\/TD

»

\

=7 say‘ _= -31 | ~ - - . ,.

' 3 '-1' ' =7 V = uq +‘ 1 __ olv ‘=7 6H 9 + 3>L =_ o req- 5.-@9111; sol. ’ of I <=V— -an. I '

.‘. S,-r)9u|Clr $01 or above eq_ ‘-5

_'___ @=£¢<m-¢v,c'c<v) R

“ rvhare' / .

" f<°1)= W2 _-'- ,<c<=n =“2q/ .

. J/Qnce ® becomes, ‘ -

I " r ’ uh = "2q/ - >

, % , y = W1-1w€=-W1 1"-ff‘ @

1 L

I

II

.2,

‘E

I” I ’ ' 1 'I!‘ ‘ 1 * { I I

I WQ cL_or\ eli_mi'r\ote._<Iv_ .f~rQn-1 (3)

Y

» S;-nae ____ _U/2

‘ *7 ‘I ='--J/Ll,-=> -dz = _\/41%,

|

:7 Li“ 4' =.O feq. -Si‘,-jg. So|_O¥(:\

" v=~v%f

F‘

I

/ !

_/ 1

1 |v Q.‘

II iV

\~

r

F

\

\

r

\

I>

; .

>

Available at '

www.mathcity.org

Page 8: i -'~ x‘ 4' X I I-/. 7H '!'P‘_-.—‘|-(.3. u U P-—'>¢ = 0 ~ >'_F’—';J»= o 1; f+v_|o(y-dx{-.| vd _XdX Y_7 dg = e1=.-__.=%__ I 2! 1 V ' ='> P-I =9 50,, ~,. 1 In..1 ...

73',’-

-»..

'-I

£21-‘Z§'1

?~&a;¢

5 ..,

/4-

1?;

-..,~¢' ~..-it' ~.\

5“; s

J.‘ 1' J;4i-\ "

_......~_.._. -------—--- -~——-~- - - 7

*4. V

‘ Malmiiyor ‘*3v

I ;\1 \J .

1

‘*3’ i\=...'|;_. ..>~_*_. . ',- -< .U’:J".

:'-:3!

1.-

/‘IYP-»

-11;»

.~:-.

KW...‘ 1..

,1v .-.‘_

l"l‘?_9T""-T7‘-?-3.

~-E~.»“\‘~‘;"."

\

;\ ,»_

» ’ :15\\I.>‘;‘

‘Q12? E E

@w =

"61 \

fm,4

if!‘-I3,?“ :

1'-1* '~1!

.‘-.1

'f§1—_‘ " :

’ 0.

, -L->"

.2 ‘-'"LPI

v

5':-T’.-.

1- '.1-‘ .:¢ . 1.. _|

:7. ._ , ~

.e,;-.Z‘-:"'§' _

Y‘ Y

2*.-

»L‘

1.,-

' 1..

iffg,-ii‘ 9

;§;-;~;r , V.

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= P-r'Z= =0r _P—-2 =0 ’ »

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=0

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r

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. =7 31-I-7L1-4 C = O

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=> Xg<>b¢'+(v@+9’,)<>*9 =0 "“._"®12> (x+3 )ob<-M ‘*3 - ° ‘*9

(M<>L>¢+ New- Let |\4~=19'; N=x+1 ILet M = 1+-‘d § N = "19.

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or 212%!-L—r U“ = I-(C47.

or 1>_7(_3Z-,=§jL'-V-C_ = 0

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X.P—3:)P+ 91’ =

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~.-¢\'.\;.,‘=,_-::’.'-'-Z;1:v-_-:,j_,;_-_-:;.

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COTT 5

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,5 ‘ 3- V obL 79 (C?-r 3417-8)A

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= ! QC!‘ Li), W T-‘L X,‘ yvca

-.-4, 1 I r - ' > T v

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5.1; - 5 = - 3 7- -

2 I I ~

, °’“ an P10” J 11. =_+ -a1+2xP%‘gL+_3X‘pPu§ above value Q¥ 1; ,-n > "

H:2 ~ A u

=7 H 2 'c/1+ C793 ' :> QLE = '3*P1

, W3 991:, " =7 1% = P/+ "J((|v+2-;ip)%;_,_317"P11 ‘1cx+ -151.c:x1 =v (:+i{p)%L = __3XPz

' ‘X H278 P2 d“ i 7 12 ‘7' H=C+l-xc7L3 2- -~

Y, 1 H :7 Ob‘ I-+ 7.7L P_/ ',‘ ‘\‘-,1" -QT) -:-_

' ’ ' -*7 '23 = C(C"'l-17¢) ..3XPz- . .

"1~1_>:»sf~‘§_‘.-Tg3.in-'r'=

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Diff w_r_t fl {we gel _'_ . (IE f5 ~BQr~r'\0uH1. eqa

' OUCI

P P

l‘4u!{ipl§Jir19 {he Obove QC} bu X

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._ dp.. __ _.. _ - ’ - =>'-'--‘ii’ '=i.<$*Q (31+2P) on _ -21> _ 2dP

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-__7 O11 3'$L+'2.P .' “I ‘ <>‘T 3P “ sP"'~7/!;. -' \-_‘-"_l'\ ’ ‘

» ,:? ax - ‘ It is_ lrneor “irw _v 'om ( J

dp 1P I ‘ l{_ I V I»

P 73'”? Inks_ V ._ ~"P¢vVOL! ___ _}%=V_. :;v_._ _ *=%e%=T<__I£

PF =

WT_D(J

Q.

' ‘ T . ‘ _M“'**'PFv1'9 the obove ed by I-Fis linear’ in 1) » wg get I ' ' P;

' ' I‘/3 Ow -' ‘/ -'1 -

P %ImP I 3/Z I I "P "-' + E-if-= -1?/3=e =<§P,= P/2 -°‘P 3' 3'

3/ Qt . ~1/ ‘Y1 _' '1/3: -.

Pa€2!L5+ 35%? 1=.-P3’? "7 _d("-P) “ J/JP C‘?, :1 , » ‘y ‘ll

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3 5/2 ... 2“/3..__‘_ y3--C '_'1:v’1P/z=_P ._,_C_ _> uP ,— ZPI .-~/~x

. ~/ > -:5 d(XP1/2,) I;/'2..olPb _ - =>_ \/P, 3 = -% + C

I ‘ 1 D

‘:7 5.d(1P-ylv -=7, Vpq/3': _ ;__p'75+C

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. X -SPTLCP -*“@ 1¢ is oLiff(c_ul{ L DA .. Q . crud th ’ "

IL is difficult Lo - ‘ )( Q‘ ml“nd value. of. P. oj "P, , , ' Q

So puturwg £1“-$_volue Qhgm e_q_® I‘ .50 Pulliirg {his VQWQ oi 1'1?) ®

W€_ getw _ . HY ‘Ye 9%‘-t 1‘.

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‘IR \-IS’ @,__@, is 0 Porornetric So!-01> \/'_/Q,/\_Ce ’@

' H L5? 9(\.'e§_r_\M eq- so;- o{ { :18 9(\/Q,/1 Q51.‘ I '

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P

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|+P 4 I

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w;¢ 'eL . : - ' - 1'--=» M P‘-'9 :J,.= 9-2°£(cX)‘+J;x-cx P3“;

CX ' . ' aPz+ P5] -—§( = 0

Rut ihis _v0|ue 0; P (Q @ V' §ol:-

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v .

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1 1

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—> (P—wa13(1‘J:,@-P3 —° ==v QHHJFYJ =._ 3' ‘ dP' '__ - J ~ ’ -'zoP1 CH, “

JP‘~'

I-2 OP-L -

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=> -2'~P -"_- In -1-lnc' j -' 1 H _' '| " j—‘~-QP/P1-|+oCo:>hP-2oCosh‘P

:7, IrwP =" lrwalg ' -, _\'= —<>.P |p1_| - _<>C_oshP+C_

=v Pz=¢,3 . '_=v g= P;¢|. or 5-=-c,p‘*_@ _'—‘7 ti = —<>

Put this value o{ 3 in @,w@_ 9'e¢

X -.= -1-1P2-_¢I_L'l>_z+ 215'-CP

I -..-_'-—L" ' yvx uC+ 9

P+ <;- '0 CosH‘PE’ _P'-_‘ .

\ I

=» K = <1+@(<1P>/HQ @%

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in ;\§_l'\{‘c§ Parom. sol; olf 91‘f€f1 eq. '

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_. F 27‘ - 29 2' . r

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Q <>“*'= Zéxd y otv -" 1%! j Q5 =, —5-‘(,5-Q3 +.P)+*,-(—2113§1l’§n5 )-I?-e 013 dg oU;J

;’ ' 18 ’ - '

AZQGQH olv 7 _| P OLNow '2 P OUJ-e P1 P

% W52 = ii => l-+~-P= »<\-;-g‘. P* - ukd-X du

= 'dEi-- '=> *’-P = ; -J— Q27 A P *’<'P=>Ow

I -_=v -P(|~%~_)~~J(\-1,;-13%’ =0OW H1‘

_Q ~//r-"TC? V'@ becomes, Zw ?(|.__‘151)+H('“J§5=) % =-0.! 1! ' ‘

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<£km9-D

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Cosxdot Q“-‘ A ' 7 . " 2. .' ,

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