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From an arbitrary point \( P \) on the circle \( x^{2}+y^{2}=9 \), tangents are drawn to the circle \( x^{2}+y^{2}=1 \), which meet
\( \mathrm{P} \) \( x^{2}+y^{2}=9 \) at \( A \) and \( B \). The locus of the point of intersection

W of tangents at \( A \) and \( B \) to the circle \( x^{2}+y^{2}=9 \) is
(1) \( x^{2}+y^{2}=(27 / 7)^{2} \)
(2) \( x^{2}-y^{2}=(27 / 7)^{2} \)
(3) \( v^{2}-x^{2}=(27 / 7)^{2} \)
(4) none of these
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