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Question

The equations of the tangents drawn from the point (0, 1) to the circle x2+y22x+4y=0 are

A
2x - y + 1 = 0, x + 2y - 2 = 0
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B
2x - y + 1 = 0, x + 2y - 2 = 0
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C
2x - y - 1 = 0, x + 2y - 2 = 0
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D
2x - y - 1 = 0, x + 2y + 2 = 0
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