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Question -

Find the equation of the circle with centre (–a, –b) and radius 



Answer -

The equation of a circle with centre (hk)and radius is given as

(x­ – h)2 + (y ­– k)2 = r2

It is given that centre (hk)= (–a, –b) and radius (r) =.

Therefore, the equation ofthe circle is

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