Let \( C \) be the centre of the ellipse \( \frac{x^{2}}{a^{2}}+\fr...

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Let \( C \) be the centre of the ellipse \( \frac{x^{2}}{a^{2}}+\frac{y^{2}}{b^{2}}=1 \). If the
\( \mathrm{P} \)
W
tangent at any point on the ellipse cuts the coordinate axes in \( P \) and \( Q \) respectively, then
\[
\frac{a^{2}}{C P^{2}}+\frac{b^{2}}{C Q^{2}}=
\]
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