Question

13. The pair of equations x+2y+5=0,-3x-6y+1=0 have​

Answer 1

The given equations are:

x+2y+5=0

−3x−6y+1=0

From the given equation we have:

a1/a2 = 1/-3

b1/b2 = 2/-6 = 1/-3

c1/c2 = 5/1

here ,

⇒

a1/a2 = b1/b2 not= c1/c2

Hence pair of equations have no solution.