ù

[."-*" j G.".L--J" J" i,. bi ^o"*L f r,.l'.,-.i! I r].'" !1,,-,J .

.ir,.zaKn.ere t

. ei

p;Ca] '"*.oià;\;|, I- ()n \"', r^J*F s,.y-\,- [(/) = O,vf,/\= 4. *1"* / J.")., iX ,/. 1(>- ,*,i,- X+v -.t.']-x- y À"., X,'v -J,l(o..1-t I

hàoÀrnc.

u= x+Y V_, X-Y u l-t v J",- Qro,, .

las, :j .t

e,QrQ" Q_, +f2r)= +G)3@f-r) \ie ç r11 +(F)= +(il"+fi")' Qr*

rl

LCo

I

càJ

Ô,, ô"

f"*'

fo-t,

.

=

i

,

I

r"- Z. 4(i) r-,

Qr" =

-- *+

-r

"">4!">z- \r.cNs

. +(+Iô(È)

Q (F)

f(-!) "+(*Ï" I.,- , r'".-,rlo'i , ,"/. . rq(i.) .P(ilrll^ .

l?li'r'(,"rl

r tPl ,*, -r,lg.''t'. ^/, \'1.-"'L^. : lYlr;.ll -tz I /;.)j > I 5.r*orr^, J]

Or-

fe"t: I

"

A|-,

N*

ôG)

f"f

Lt' cP{*.1

\^

:c)

c" e.t () el

Qb\ _-

j_

./

L\

c-,.^,9{;il_c-, A\,.-.J4

c &!"1 iyrll- érr '

'

qfzF)- S(zl-)

-

+r-') ôff)"+(-r)

Qft) e(i). 9(l)'= ..f{+)o-q( -2t)

4(,t\1

4(f-') = @r.,)+ Q'f,)\-++'fc,)\' L

4{!)'

.

q(F)'

Qt_rf

= ry(!,-T"

+.rt')

V.-=o

a

\b,, no,f lr

'^.Llo.,lar,a

or

I,'

o1-

1r,.'-,[ ' u' ^oL!' ""1 Yt lolo v(x), - Q',rô

-,Q'b) Qf[) l -

Érx)-

s,*.

+-r\').

L

egr -

(YiL)

r\--

I- r- *oth') ='4 l

i

;

lN

o

(,..{-Lù''- c2"!"("i'"iÈ, \ ,3\ "zili -

v'\2"/!)r^/ -

tlllr \

- ) "e..

(

t,

.y(r)

" (i")l = r' !-

--

1\-5À,

.,ln')

- 4\' t"(\,'\

,1

4(-t"1

_

( -r

-4 b'ô

+ r (i"),q)

^.,

F

e

(;)

^-"

qft)--r- \F€[R

)bo-. 4(rl= Qf-çt Vie R

+hq 4t

\*

i à-+

T+t

(

+(i)-'.

r)q=

=

eû-I-")''

rll r\ 4- zAl +^/r O. +/ I '\\z^, ' l'l 7\Z^t

z

'b.r'* ô(r)

i'+,f t'iu' lu 2 t," \ l*^ /l t

-r^(-r

e

a.

-rr"+'($))

/ l, r\ , " i -.-t,l-' r "l-/l' ù,, \ I rl; ^., 'L.

fS" ("t

1

av

_f1 L

.

T>-.- A(t= f

I

lr

=

.,-t: r- rl

r ,, .,",

X, Y

j._

i ,tl''.c.,..,

+.ll',1 - :l. 7-

^",N(o,4) N

./.-.

i I

L

-