Is it true to say that the pair of equations x-2y-2=0 and2x-y-4=0 has

1.	Is it true to say that the pair of equations x-2y-2=0 and2x-y-4=0 has a unique solution ? Justify your answer
Answer» YES, they do have a unique solution Proof:- LET, x-2y-2=0 be a₁x+b₁y+c₁=0 2x-y-4=0 be a₂x+b₂y+c₂=0 Now, a₁/a₂ = 1/2 b₁/b₂ = -2/-1 = 2 ∴ a₁/a₂ ≠ b₁/b₂ ∴ the two equations have a unique solution. Mark my answer as Brainliest Mark my answer as BrainliestFollow me if I was HELPFUL, you can ask me your math queries without any hesitation :)

Is it true to say that the pair of equations x-2y-2=0 and2x-y-4=0 has a unique solution ? Justify your answer

Answer»

YES, they do have a unique solution

Proof:-

LET,

x-2y-2=0 be a₁x+b₁y+c₁=0

2x-y-4=0 be a₂x+b₂y+c₂=0

Now,

a₁/a₂ = 1/2

b₁/b₂ = -2/-1 = 2

∴ a₁/a₂ ≠ b₁/b₂

∴ the two equations have a unique solution.

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Is it true to say that the pair of equations x-2y-2=0 and2x-y-4=0 has a unique solution ? Justify your answer

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