DAP.AN


Vi6t phrtono uen
dtdrn I(-Z;p) ddn ti*p tuy6n

td,

tdn nh6t

Phrrong trinh ti6p tuy6n

@
u:6iTz@-uo)*ffi
Kho6ng c6ch tr) I d6n

DOI* Currh, .t On* *6 , tr
.T)m duoc hai ti6p tuy6n

y:

9i6l

x;

y: *fi

ddi ph,ro"S triol, tn

e (7 -


< yEQos2r - s)

(tr-zt-s>o
I

\t-3>o
It2-zt-s

r ( -3 Thi VT > 0; Vp < 0 ft

o Khi x
o Vdi

:

r>

-1 thi b6t phuong triuh th6a
1 thi b6t phuong trinh thh,nh

e1/I{aT + {i

Ti.nh gid
(1

zJ;A1

: _;

1;*
( loa, ).
: NghiQm phuong trinh : x: - 1;

Gi6i duoc : x

KL

:


:

SH:!/SF=V4:a'i6
Do d6 Vs.epc

: *Sorr.sr :@ffi

T?.mI:lu n-z ,^
2 + !fili**

DAt t

,at

: \/iTI + n : tz,- tril :iat

,: I;.ztdt:2^!-

Adt
+:'

I:2i(r,-zt+L :
t + )dt 2(; - t2 + t - 2tnlt + 2l) + c
}ry t : 'tlill t, aoq. k6t;;
Ttong m(.t phd,ng odi he

* v2 : a v#t phuons tri,nh dudns
'-:l^*^n^:' !l:)^'
';;:i A, qua