Tangents \( P A \) and \( P B \) drawn to \( x^{2}+y^{2}=9 \) from any arbitrary point ' \( P \)...
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0Tangents \( P A \) and \( P B \) drawn to \( x^{2}+y^{2}=9 \) from any arbitrary point ' \( P \) ' on the line \( x+y=25 \). Locus of mid-point of chord \( A B \) is
(A) \( 25\left(x^{2}+y^{2}\right)=9(x+y) \)
(B) \( 25\left(x^{2}+y^{2}\right)=3(x+y) \)
(C) \( 5\left(x^{2}+y^{2}\right)=3(x+y) \)
(D) None of these
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