Determine the centroid of the quadrant of the ellipse shown. The equation of the ellipse is $\dfrac{x^2}{a^2} + \dfrac{y^2}{b^2} = 1$.
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Determine the centroid of the quadrant of the ellipse shown. The equation of the ellipse is $\dfrac{x^2}{a^2} + \dfrac{y^2}{b^2} = 1$.