A planet of mass \( m \) is in an elliptical orbit around the sun with an orbital period \( T \)...

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A planet of mass \( m \) is in an elliptical orbit around the sun with an orbital period \( T \). If \( A \) be the area of orbit, then its angular momentum would be
(a) \( \frac{2 m A}{T} \)
(b) \( m A T \)
(c) \( \frac{m A}{2 T} \)
(d) \( 2 m A T \)
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