For what value of p , the following pair of linear equation has a unique solution. 2x+3y-5=0 px-6y-8=0.
Answers
Answered by
34
for unique solution, we have a1/a2≠b1/b2
here, a1=2,a2=p, b1=3,b2=-6
therefore,
2/p≠3/-6
= 3p≠-6×2
=p≠-12/3
p=-4
here, a1=2,a2=p, b1=3,b2=-6
therefore,
2/p≠3/-6
= 3p≠-6×2
=p≠-12/3
p=-4
Answered by
11
??? P cannot be -4.
Has a unique solution? Intersect at one point?
Has a unique solution? Intersect at one point?
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