Question

If 2x-3y=7 and (a+b)x-(a+b-3)y=4a+b represent parallel lines then a and b satisfy the equation:​

Answer 1

Answer:

2x - 3y = 7 and (a + b)x - (a + b - 3)y = 4a + b represent coincident lines then,

2a+b=3a+b−3=74a+b

2a+b=74a+b

7(a+b)=2(4a+b)

7a+7b=8a+2b

a−5b=0

Answer = a - 5b = 0

Answer 2

Answer :

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