Let $P$ be any point on the ellipse $\frac{x^2}{a^2} + \frac{y^2}{b^2} = 1$. If $S_1$ and $S_2$ are its foci,then the maximum area of $\Delta PS_1S_2$ is (in square units):

  • A
    $b^2e$
  • B
    $a^2e$
  • C
    $ab$
  • D
    $abe$

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