Tardigrade
Tardigrade - CET NEET JEE Exam App
Exams
Login
Signup
Tardigrade
Question
Mathematics
Which of the following is the equation of a circle?
Q. Which of the following is the equation of a circle?
469
214
Conic Sections
Report Error
A
x
2
+
2
y
2
−
x
+
6
=
0
B
x
2
−
y
2
+
x
+
y
+
1
=
0
C
x
2
+
y
2
+
x
y
+
1
=
0
D
3
(
x
2
+
y
2
)
+
5
x
+
1
=
0
Solution:
In fourth option coefficient of
x
2
=
coefficient of
y
2
and coefficient of
x
y
=
0&Δ
=
0