Find the equation of a circle of radius ...

Find the equation of a circle of radius `5` which lies within the circle `x^2+y^2+14 x+10 y-26=0` and which touches the given circle at the point `(-1,3)dot`

A

`x ^(2) + y^(2) + 8x + 2y -8=0`

B

`x ^(2) + y^(2) + 10x + 2y + 1=0`

C

`x ^(2) + y^(2) + 8x + 4y -4=0`

D

`x ^(2) + y ^(2) + 8x + 6y =0`

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The correct Answer is:

A

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