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If a, b, c are in A.P. then the family o...

If `a, b, c` are in A.P. then the family of lines `ax+by+c=0` (A) passes through a fixed point (B) cuts equal intercepts on both the axes (C) forms a triangle with the axes with area `= 1/2 |a+c -2b|` (D) none of these

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