Question

Prove that 3x^2 + 3y^2 − 6x + 4y − 1 = 0 represents a circle .Find its centre and radius..
Q.

Answer 1

Answer:

The centre of circle is (3,-2)

radius=

$\sqrt{ {3}^{2} + {2}^{2} + 1} = \sqrt{9 + 4 + 1} = \sqrt{14}$

the radius is root 14