The number of feet of normals from the point \( (7,-4) \) to the circle \( x^{2}+y^{2}=5 \) is (...

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The number of feet of normals from the point \( (7,-4) \) to the circle \( x^{2}+y^{2}=5 \) is
(a) 1
(b) 2
(c) 3
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