N.= 3
$ =-L
D . t Xrvtrts eer lnd e'r6 t vnbrrg a
U tl uv\ <Vvu+tcn wed, Nd
L
3cvtctnn
aH idha 4(
3
irnn a I isu*5 a-v Yld{.
(t
dr ldsvtrv,$ot t]tt Ar.t BU t( =$ (")
x,=0
{;; {
Bcstdwt
$[tavU3
@t (rLW
1
cvL I d srurvrj
ar{
u4"
(r) (z)
13) Liswrwq
\i hes\iiwtryl (( first A,B c*vt i skrzt rvtcyL I
f A (- 3) t B 6 t L : o
{ A o + B z + L=Q
I
tA g +B(-2)+c =() f + 3H +68 +C:o
I