# Tangents are not that easy

Geometry Level 4

Tangent drawn at any point on the curve $$\left(\dfrac {x}{a} \right)^{2/3} + \left(\dfrac{y}{b}\right)^{2/3} = 1$$. If $$p$$ and $$q$$ are its intercepts on the $$x$$ and $$y$$ axis, then $$\dfrac{p^2}{a^2} + \dfrac{q^2}{b^2} =$$

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