Find the value of x, so that the point (6,5,-3) is at a distance of 13 units from the point (x,-7,0).

Find the points on the line (x+2)/3=(y+1)/2=(z-3)/2 at a distance of 5 units from the point (1,3,3).

Find the co-ordinates of points on x-axis which are at a distance of 17 units from the point (11,- 8).

Find the points on the X-axis, which are at a distance of 2 sqrt6 units from the point (1,-2, 3).

Find the points on the line through the points A(1,2,3) and B(5,8, 15) at a distance of 14 units from the mid point of AB.

The point on a circle nearest to the point P(2,1) is at a distance of 4 units and the farthest point is (6, 5). Then find the equation of the circle.

Find the points on Y-axis which are at a distance of sqrt29 from the point (2,-1,3).

Find the points on x-axis which are at a distance of sqrt29 units from point A(1,2,3).

Find the direction in which a straight line must be drawn through the point (-1, 2) so that its point of intersection with the line x+y= 4 may be at a distance of 3 units from this point.

Find the direction in which a straight line must be drawn through the point (-1, 2) so that its point of intersection with the line x + y = 4 may be at a distance of 3 units from this point.

Find the abscissae of points whose ordinate is 4 and which are at a distance of 5 units from (5, 0).