The roots of the equation $\left| {\,\begin{array}{*{20}{c}}0&x&{16}\\x&5&7\\0&9&x\end{array}\,} \right| = 0$ are
The roots of the equation $\left| {\,\begin{array}{*{20}{c}}0&x&{16}\\x&5&7\\0&9&x\end{array}\,} \right| = 0$ are
- A
$0,\,\,12,\,\,12$
- B
$0, 12, -12$
- C
$0, 12, 16$
- D
$0, 9, 16$
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{\sin \,2A}&{\sin \,C}&{\sin \,B} \\
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{\sin \,B}&{\sin \,A}&{\sin \,2C}
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