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Equation of the circle with centre at (...

Equation of the circle with centre at (1,-2) , and passing through the centre of the circle ` x^(2) + y^(2) + 2y - 3 = 0 ` , is

A

`x^(2) + y^(2)- 2x+ 4y+ 3= 0`

B

`x^(2)+y^(2)- 2x+ 4y- 3= 0`

C

`x^(2) + y^(2)+ 2x- 4y- 3= 0`

D

`x^(2) + y^(2) + 2x- 4y+ 3= 0`

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The correct Answer is:
A
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