Question

the general solution of the equations 2x + y = 1 and 3x - 2y - 5 = 0 is ...............​

Answer 1

Answer:

px+2y−5=0

3x+y−1=0

Here a  

1

​  

=p,b  

1

​  

=2,c  

1

​  

=−5  and  a  

2

​  

=3,b  

2

​  

=1,c  

2

​  

=−1

The given pair of linear equation has unique solution if  

a  

2

​  

 

a  

1

​  

 

​  

 



=  

b  

2

​  

 

b  

1

​  

 

​  

 

⇒  

3

p

​  

 



=  

1

2

​  

 

⇒p



=6

Hence the given pair of linear equation has unique solution for all real value of p except 6.

Step-by-step explanation: