(A) ZxMx2- 3**1 =0
. /UDAMĽCA 4-<kwftw>[ 3. ßAMJ^ANL =9   /Mí*' hoMw ťa~4
KU,
t -5"   t [o.
1 1-7-1
1   °l     l [i
S f   -5" /
X> f X t 4 = 0
4 í
=0
v = —----~ =     13- ^ \5-
If!- %ŕ- ixt t = 0 HxťOCxVxt4)-$(xtOx - 0 (x-4V (2x-5"xtl) =0