Circle And System Of Circles Question 147
Question: The equation $ ax^{2}+by^{2}+2hxy+2gx+2fy+c=0 $ will represent a circle, if
[MNR 1979; MP PET 1988; RPET 1997, 2003]
Options:
A) $ a=b=0 $ and $ c=0 $
B) $ f=g $ and $ h=0 $
C) $ a=b\ne 0 $ and $ h=0 $
D) $ f=g $ and $ c=0 $
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Answer:
Correct Answer: C
Solution:
$ a=b\ne 0 $ and $ h=0 $
BETA
