यदि $S$ एक त्रिभुज $ABC$ का परिकेंद्र है, $a=5, b=6, c=9$ और $SB=\frac{27}{4 \sqrt{2}}$ है, तो $\sin 2C=$

  • A
    $\frac{4 \sqrt{2}}{9}$
  • B
    $\frac{4 \sqrt{2}}{27}$
  • C
    $\frac{-4 \sqrt{2}}{27}$
  • D
    $\frac{-4 \sqrt{2}}{9}$

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