Question

The pair of equations x + y + 3 =0 and x + y - 5 = 0 have

A) unique solution B) infinite many solutions C) two solutions D) no solution

Answer 1

Answer:

no solutions

Given equations are ,

x−3y−3=0 and 3x−9y−2=0

a

2

a

1

=

3

1

,

b

2

b

1

=

−9

−3

=

3

1

,

c

2

c

1

=

2

3

⇒

a

2

a

1

=

b

2

b

1



=

c

2

c

1

Hence, no solution.