Question

the pair of linear equations x+2y+5=0 and -3x-6y+1=0 have​

Answer 1

Answer:

ANSWER

Given equations are:

x+2y=5

3x+12y=10

From the equations we have:

⇒a

1

=1,b

1

=2,c

1

=5

⇒a

2

=3,b

2

=12,c

2

=10

a

2

a

1

=

3

1

b

2

b

1

=

12

2

=

6

1

c

2

c

1

=

10

5

=

2

1

⇒

a

2

a

1



=

b

2

b

1

Hence system of equations has a unique solution

Answer 2

Answer:

The pair of linear equations are parallel

and they have no solution

I hope my answer will helpful to you