UPSC NDA II 2010 Mathematics Paper
© examsiri.com
Question : 67 of 120
Marks:
+1,
-0
Under which of the following conditions does a general second-degree equation
a x 2 + 2 h x y + b y 2 + 2 g x + 2 f y + c = 0 ( a ≠0 )
represent a circle?
represent a circle?
Go to Question: