find a and b for which following equation gives coincident lines on graph x+2y=1;(a-b)x+(a+b)y=a+b-2
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Step-by-step explanation:
x+2y=1 (a-b)x+(a+b)y=a+b-2. So, the values (a,b)=(3,1) satisfies all the parts. Hence, required values of a and b are 3 and 1 respectively for which the given pair of linear equations has infinitely many solutions.
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