defence exam Agniveer Vayu Group X & XY Mock Test 01/2026 Mathematics Circles Tangents and Normals

Tangents AB and AC are drawn from the point A(0, 1) to the circle x2 + y2 - 2x + 4y + 1 = 0. Equation of the circle through A, B and C is

1
x2 + y2 + x + y - 2 = 0
2
x2 + y2 - x + y - 2 = 0
3
x2 + y2 + x - y - 2 = 0
4
None of these
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