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in Straight Lines by (123k points)
The equations of the lines represented by the equation `ax^2 + (a + b)xy + by^2 + x + y = 0` are
A. `ax+by+1=0, x+y=0`
B. `ax+by-1=0,x+y=0`
C. `ax+by+1=0,x-y=0`
D. None of these

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1 Answer

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by (122k points)
Correct Answer - A

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