Question

The pair of equations X+2Y+5=0 & -3X 6y + 1 = 0 have a) A unique solution. b) Exactly two solutions. c) Infinitely many solutions. d) No solution.
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Answer 1

Answer:

a) A unique solution.

Thanks

Answer 2

a) Unique solution

The given equations are:

x+2y+5=0

−3x−6y+1=0

From the given equation we have:

a2a1=−31

b2b1=−62=−31

c2c1=15

⇒a2a1=