In \[\Delta ABC,\ \,2{{R}^{2}}\sin A\sin B\sin C=\] – McqOptions

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1.	In \[\Delta ABC,\ \,2{{R}^{2}}\sin A\sin B\sin C=\]
A.	\[{{s}^{2}}\]
B.	\[ab+bc+ca\]
C.	\[\Delta \]
D.	None of these
Answer» D. None of these

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