Coordinate Geometry Question 105
Question: The locus of a point whose distance from the point $ (-g,-f) $ is always ‘a’, will be, (where $ k=g^{2}+f^{2}-a^{2} $ )
Options:
A) $ x^{2}+y^{2}+2gx+2fy+k=0 $
B) $ x^{2}-y^{2}+2gx+2fy+k=0 $
C) $ x^{2}+y^{2}+2xy+2gx+2fy+k=0 $
D) None of these
Show Answer
Answer:
Correct Answer: A
Solution:
It is obvious.
BETA
