1.

Prove that the line through the point (x1, y1) and parallel to the line Ax + By + C = 0 is A(x−x1)+B(y−y1)=0.

Answer»

Prove that the line through the point (x1, y1) and parallel to the line Ax + By + C = 0 is A(xx1)+B(yy1)=0.



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