Pratik Tibrewal
Last Activity: 10 Years ago
Let the point be (h,k)
then h - 2k + 1 = 0 ----- (1)
equation of chord of contact will be T = 0, i.e, yk = 8 (x + h)/2
yk = 4x + 4h ---- (2)
Put value of h from equation (1) into equation (2)
yk = 4x + 4(2k - 1)
=> k ( y - 8) = 4(x - 1)
This is equation of family of lines.
Fixed point is (1, 8)
Thanks and Regards,
Pratik Tibrewal
askiitian faculty
BTech IITG