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If a point (a, sqrt(a)) lies in region b...

If a point `(a, sqrt(a))` lies in region bounded between the circles `x^(2) + y^(2) + 4x + 4y + 7 = 0` and `x^(2) + y^(2) + 4x + 4y -1 = 0`, then the number of integral values of a exceeds

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