5x-2y-10=0,10x-4y-20=0 these are………lines.

The lines represented by 5x+7y-14=0 and 10x+3y-8=0 are …………lines.

The lines represented by 5x+3y-7=0 and 6y+10k-14=0 are………lines.

The lines 2x-5y+1=0 and 10x-4y-3=0 meets the coordinate axes in concylic points, then equation to the circle is

Two regression lines are represented by 2x+3y -10=0 and 4x + y-5=0 Find the line of regression of y on x.

The equation of the circle passing through the points of intersection of the circle x^(2)+y^(2)-2x+4y-20=0 , the line 4x-3y-10 =0 and the point (3, 1) is

Prove that the three lines 5x+3y-7=0, 3x-4y=10, and x+2y=0 meet in a point.

Find equation of the line passes from point of intersection of lines x+2y-3 =0 and 4x-y+7=0 . Whose is parallel to line 5x+4y-20=0 .