e o "'
\'« ObQ.'o°,\;+y
Pre..,·10<.AS lQ.~u.mC-cl knov-.l\e..d~e.-)
a \ ~ e. b ( l..l Cl
ol'\e.. .s.o\u-\ion
( x b'1 LCD)
LC.:D
~
2er o p<inci p\e.
-\Q.ct O C·,5e. in\o 2 b,a.d: eds
:>\'V"'do.rd (~.z
io '"""" -t \:, :::c -+ ("_ ) =a
-
s<> \ve \or .::c
-
, a.e. ke.d
(00-\s
•
r , :z
Or X J ~i des
fa.c..\o, ~~e. rec\cc\ -54u..a1e. on l"'O C'°"Cl\
~
:f coe.f.{',c ient 6-\ 2.
J..
.. ,
2
2,:::;,e 3~ = 7
e~
2
.:t..
z
.::r.
<>5
I t..
•
,I
f 9u9..d1a\,c. -\<>lfD'-'- \a. ·. - ej . ..'.X-
2
➔ .x. .. \
-\:,.:! ,i1::,2_ xz
2-t.\
4QC..
-t :JC- -\ =0
~ 5-\o"cla rd .fo r'l'rl A= \
I
b = I
C. = -\
L
- \ "1 ,{,-a_ 4(,)(-\)
a, b, c.... .:::t ::: 2<:l)
""
Sub 2: = -\ -z rs
"2.
• To
9,,u.odc c..-\ ; c.
ei,uo.hons :
..,... \te..5-\ ric.\-ions
l<>o-\
.. Lc. D
b'1 LCD -\ b
, ~
Sq,l,l.O,~ (oo-\.5 :
root ~ a \ic\\-t1
,. ~ = -t ~
.- Chec.k
~
,et:t\ sc\..rti on )
-~ ,:::;. il'l'~OS.~; 'o\e., C"o
C
~ -= •
~~
r. ::x
:z. ,., C\ rneonS .
.::,c. -::::
.
:/: 7
.. ~-t-~-= -7 b..,.-\ ~1~ ~2.
'2
. (~-t4 )z. = 7'
.. "ell er 5'1,(..1..Clte.. indi11;c\<.-la.\ ier""'S
coo-\- ~
.J r re~s f c>S\-ti \I e.. ~u.ore ...
'2 I
roo-\s
=
-
:::t.. +s -::;. c, -z)'l
2 )
.:x -ts = ( I - 2.x. -t- .:t
2.
0 ,::
~ _ -3::z:. - 4-
0 = C.x. - 4 )( x.. --u)
Li---- --=='= =• look. ~or
• o.nd
2-~
Su.\:. i r-aio X
◄x.-b .,.. \0
2~ XK
I< - \o -= O
I, 2.
~ + 21.\ - IO~ -: 0
('(. - 12 )0: ~ 2 ) .,. 0
or
1,:..-" ~ \2. or
-ll(l\i.c\
X-{.~ 11'1+
~ = L56