The chord of contact of the point $(3, 2)$ with respect to the circle $x^2 + y^2 = 25$ meets the coordinate axes at $A$ and $B$. The circumcentre of triangle $OAB$ is
- A$\left( \frac{25}{4}, \frac{25}{6} \right)$
- B$\left( \frac{2}{50}, \frac{3}{50} \right)$
- C$\left( \frac{25}{6}, \frac{25}{4} \right)$
- DNone of these
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