If x2+y2−2x+2ay+a+3=0
represents a real circle with non – zero radius, then most appropriate is?
A. a∈(−∞,−1)
B. a∈(−1,2)
C. a∈(2,∞)
D. a∈(−∞,−1)∪(2,∞)
If x2+y2−2x+2ay+a+3=0
represents a real circle with non – zero radius, then most appropriate is?
A. a∈(−∞,−1)
B. a∈(−1,2)
C. a∈(2,∞)
D. a∈(−∞,−1)∪(2,∞)
Harshit Singh , 3 Years ago
Grade 12th pass
