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Find the equation of the circle which is...

Find the equation of the circle which is concentric with the circle `2x^(2) + 2y^(2) + 5x - 7y - 1 = 0` and whose radius is `(1)/(4)sqrt(26)` unit.

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The correct Answer is:
`2x^(2) + 2y^(2) + 5x - 7y + 6 = 0`
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