Answer to Question #46098 in Engineering for Sapna

Question

Find the points of intersection of the conics (2)
(b) Let be the point which divides the line segment joining and
in the ratio such that . Find the equation of the line
passing through and parallel to the line (3)
(c) Under what conditions on , the spheres and
intersect each other at an angle of 45
0
. (3)
(d) Find the centre and radius of the circle
(2)