find the value of k so that the pair of linear equation has unique solution 2x+y=11 and x-2y= -12
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2x+y=11. x-2y=-12
a1=2. b1=1. c1=-11
a2=1. b2=-2. c2=12
The the given pair of equation have unique solution then-
a1/a2≠b1/b2
Now
2/1≠1/2
So the value of k is not possible.
a1=2. b1=1. c1=-11
a2=1. b2=-2. c2=12
The the given pair of equation have unique solution then-
a1/a2≠b1/b2
Now
2/1≠1/2
So the value of k is not possible.
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Hoping that Iam not wrong
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