Question

solve by matrix method x-3y=5 5y -2x+9=0

Answer 1

Answer:

[

4

3

−3

−5

][

x

y

]=[

3

7

]⇒AX=B⇒X=A

−1

B

A=[

4

3

−3

−5

]⇒∣A∣=4×5−3×−3=−11



=0

Adj.A=[

−5

−3

3

4

]

A

−1

=

∣A∣

1

Adj.A=

11

−1

[

−5

−3

3

4

]

X=A

−1

B⇒=

11

−1

[

−5

−3

3

4

][

3

7

]=

11

−1

[

6

19

]

[

x

y

]=[

−6/11

−19/11

]

⇒ x=

11

−6

and y=

11

−19

Step-by-step explanation:

please mark me Brenest answer

Answer 2

Answer:

this is the answer east to solve