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Questions  

The equation of the circle whose centre is

(2, - 3) and radius 5, is

a
x2+y2+4x−6y−12=0
b
x2+y2−4x+6y−12=0
c
x2+y2−6x+4y−12=0
d
none of these

detailed solution

Correct option is B

The equation of the required circle is(x−2)2+(y+3)2=52⇒x2+y2−4x+6y−12=0

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