\[\left| \,\begin{matrix} 1/a & 1 & bc\\ 1/b & 1 & ca\\ 1/c & 1 & ab\\ \end{matrix}\, \right|=\] [RPET 2002]

\[\left| \,\begin{matrix} 1/a & 1 & bc\\ 1/b & 1 & ca\\ 1/c & 1

1.	\[\left\| \,\begin{matrix} 1/a & 1 & bc\\ 1/b & 1 & ca\\ 1/c & 1 & ab\\ \end{matrix}\, \right\|=\] [RPET 2002]
A.	0
B.	abc
C.	1/abc
D.	None of these
Answer» B. abc

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\[\left| \,\begin{matrix} 1/a & 1 & bc\\ 1/b & 1 & ca\\ 1/c & 1 & ab\\ \end{matrix}\, \right|=\] [RPET 2002]

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