Question

Ifx =2, y =3 is a solution of a pair of lines 2x -3y +a = 0 and 2x +3y-b+2 =0, then​

Answer 1

Answer:

2x-3y+a=0

2(2) -3(3) +a=0

a=-5

and

2x+3y-b+2=0

2(2) +3(3) -b+2=0

4+9+2-b=0

b=15

nature of lines is :lines are parallel to each other