Question -
Answer -
The equation of a circle with centre (h, k)and radius r is given as
(x – h)2 + (y – k)2 = r2
It is given that centre (h, k)= (–2, 3) and radius (r) = 4.
Therefore, the equation ofthe circle is
(x + 2)2 + (y –3)2 = (4)2
x2 + 4x + 4+ y2 – 6y + 9 = 16
x2 + y2 + 4x – 6y –3 = 0