Garcés Nieto Alma Hannani_Ex2doAlgebraLineal - Alma Hannani Garcés Nieto

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Ciar ces Uielo Almc Hanncn 1A
a-5) aib)= a2 -b2 
X12 
3x 
+2 
4(x-2) (x+2)+ 3 x (x2-2) (x 2) (x?-2) (xt2 
x 
x2 2)(x -2)(x 42a) 
4(x2-4)+ (3x3- 6 x) (x4 2 ) 4 x3 -2x2-2 x4 
2-21 (x2-4) 
x iG +3x4 +6 x - x2 - 12 x +3 2 x -lx +4 
A - 4 x -2 x2t 
-4x2 -12+3x4+1x3-14X 3x4+ 3 -42-11x-12 
X-6x2 +8 X4- 6x2 +8 
Ox+1-4x 14 x - 12 
X4 -62 6 
b)48 x2+12x-90 0 = 6 
8x2+ 2x - 15 =O 
8x+12-16x -15 o 2y 3 
4 (2 x+3) -5(2x+ 3) = Faciovizo 
(2x43)(4x-5)O 
2 
x 2x 13 0 X 5 
4x 5 o x 5 
4 
2 s+35 1 -0 
s334l 0 - 3s *34)r3=o 3 
9 5 
b 9 
C 3 
5s29s+3 =0 
x2+by tc = O 
X -b ba aG 
2(5)
81-4 81-4(53) X = -9 8I-60 
X = - 9 1 21 
X - 21 6 
2 -9 2 
2 9+ 21 
b) 5x2+13x G 9 5 
5x2 3 x -6 =o b 13 
ax2 +bx + C= O 
X =- b b2-49C X=- -13 132 -4(5(-6) 
2 (5)
X -13 288 
2 a 
X = - 13T 16+ 
120 289-1 
->x 13 + 14 
6 
x3 = 13 19 
x- 13-1 
5 
Elmnac ón 
3x-6 - X +2y 
-1(3x- 6y =3) 
- 3 x +6y -3 
-3 AGy -3 
x- y -3 
- 6 -3-x+2y = 
3x 6y -3 y-6 
3x-6(-6) = 3 
X* -1) 
y -6 
A= 12 
3x+36 =3 
3 x 3-36 
33 -\ BX -33 
A 3 
(3)( 2) - (-6) (1) 12 
6+6 12 Oa 
ga lac 
4a,,a 22 12 2 
A-2yF 
3 +y=3 
x = 3 +2y 2 42y - -Y 
3 
3x-3-y 3-12y)=i(-7 -y) 
- 2) +6y =-7*y 
X -3-y 
yy-742 
y 14 
y2 
X-2 (2) =a 
X= 
X43 
y 2 
A 3 
Unico olucion 
44 
X=il 
A1-2 (1)()-(-2)(s) » 
1 3 1+6 A3 
Y 
-2y 
x723 2.3 -3.5 
Pnds3.5 0,-3.5) 
Pnis 
2.3 
34 S 
Sustitucon 
A: a 922-O2 2 
X-y 2 
2x-2y 4 
X 21y 
2(2ty)-2y 4 
In fintoo. 
4+2y2y4 
+2y 2y = 4 -4 
O= O y E 
x 4 
242 2x-2y4 Pnis 
(0 2) 
(2 
Pnl 
(O,-2 
Y2 
x 2 2x 2 1 
x 
2 
2 
3 2 
A 1 
-2 
(1E2)- (-1) Q) = o 
-2 +2 = O 
ER 
A 0