On comparing the ratios a1/a2, b1/b2, c1/c2 and find out whether the lines representing the
following pairs of linear equations intersect at a point, are parallel or coincident:. 2x+3y-7=0. and. (a-b) x+(a+b)y=-(3a+b-2)
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Step-by-step explanation:
if a and b are taken from the first equation then
(2-3)x+(2+3)y=-(6+3-2)
-x+5y+7=0
2x+3y-7=0
-1/2= a1/a2
5/3=b1/b2
7/-7=c1/c2
on comparing we know that these lines are INTERSECTING.
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