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Crs
ey ee eet a ke be
GL) Gti ot De at Ga eee,
Lequle. oS
eTOoe ag
sean Breen ea: ah
Ds
te nano) eae e abies e 22. Sa se rezolve i rmitoarcle ecuatii matriceale:
2 _(15 14). 2 (3 8 af T Sy.
is -(n = px (3 ah oe (L; a}
iA (2 1S). fe 2_(0 @ M
d) x (5 i} e) nefe i f) x -( ote :
A5
a *( dy _ (a 8)
> X ~ oy *) X= xX
2 yi (aes a & abe aad
XK = Nk = Get
x caked Catde cQad’y
* es 2)
2 AS
otiBel= 15 Oe 245 5
RCa+d p= 14 Wt Ge a2
Cc
Crd = 24 Lelard) <1
raha
aaa. elatd) =o4
1)
dat X= AX -X) =(dok Widat Ws Got x}
= 15-na AN = 3G => dakX = tO <
SS dst, x 16
4 AY > dats X= 6
oA A +e dear Gy PRON, ~ PSB b+ ArT2 a2
Jr 6-44 -3 =
5. Sa se calculeze determinantii de ordinul trei:
6 a O 119 LAX 1
a9 1 2; b)\o 1 O; o)\2 x ys
3 a 4 0 0 ql “4x yy
€ag
ee.
2a “> Bea
= D4 8an- ya -34,
heh
@) Otooe
——
op *
5. Sa se calculeze determinantii de ordinul trei:
6 a Bl H ond
a)\9 1 2; b) ; o|2 x
3 a 4| 4 x?
10
40 Qt+o0+10-0-0-0=0
oR
4.0 (act ytay?)
4 0
ACA
xy | = KD + 2x Uy ba Day
YY com |: dk X = AB=PA
@ Ret (!4)-6, 5)
(GE Y= (
ate -L ee
a(t 4) -G.s Ten (,°
oy ee ye “te BO) lig. 2 AG )
weet w]e 2%
Centrul Ni culum si Kvaluare in Invtimantul Preuniversitar
SUBIECTUL II 0p)
| 1. Se considera matricele
Sp | a) Sise verifice c&
5p| b)Sasecalculeze 4 A-A si BP =B-B
Sp| c)Stsearatect Ct=5*-1,, unde C= A+B si C'=C-C-C-C
coaronfl (49 *)=(% ° =5-Iy
ALLIED Ssseseus
eae east
Be oe g)\= es Ss) was)
