Find the slope of the line which is passing through (1,2)and mid point of the line joining ( 0,-4)&(8,0)

In ex 11.2,1what length should be taken to draw the perpendicular bisector in the radius of the compass?

If two circles intersect at two points prove that there centers lie on the perpendicular bisector of the common chord 

1. Any easy method for ques 15 ??
   

what is the entry of sales?

tds section list

Determine the angle between the lines x=5 and √3x-y+6=0

integration of x^2x (1 + logx)