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The algebraic sum of the perpendicular d...

The algebraic sum of the perpendicular distances from `A(x_1, y_1)`, `B(x_2, y_2)` and `C(x_3, y_3)` to a variable line is zero. Then the line passes through (A) the orthocentre of `triangleABC` (B) centroid of `triangleABC` (C) incentre of `triangleABC` (D) circumcentre of `triangleABC`

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