If area of the triangle formed by latus rectum and tangents at the end points of latus rectum of...

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If area of the triangle formed by latus rectum and tangents at the end points of latus rectum of \( \frac{x^{2}}{16}-\frac{y^{2}}{9}=1 \) is \( A \), then \( 80 \mathrm{~A} \) is:
(a) 100
(b) 324
(c) 240
(d) 160
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