The locus of a point such that the tangents drawn from it to the tangents drawn from it to the c....

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The locus of a point such that the tangents drawn from it to the tangents drawn from it to the circle
\( \mathrm{P} \)
\( x^{2}+y^{2}-6 x-8 y=0 \) are perpendicular to each other is
(1) \( x^{2}+y^{2}-6 x-8 y-25=0 \)
(2) \( x^{2}+y^{2}+6 x-8 y-5=0 \)
(3) \( x^{2}+y^{2}-6 x+8 y-5=0 \)
(4) \( x^{2}+y^{2}-6 x-8 y+25=0 \)


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