Question

If the pare of linear equation 6 − 2 − 3 = 0 − − 2 = 0 has a uniq

solution then the value of K is​

Answer 1

The equation are

⇒2x+ky−3=0

⇒6x+

3

2

y+7=0

⇒a

1

=2,b

1

=k,c

1

=−3

⇒a

2

=6,b

2

=

3

2

,c

2

=7

Forthesystemtohaveuniquesolution

⇒

a

2

a

1



=

b

2

b

1

⇒

6

2



=

3

2

k

⇒k



=

9

2