\[\left| \,\begin{matrix} 1/a & {{a}^{2}} & bc \\ 1/b & {{b}^{2}} & ca \\ 1/c & {{c}^{2}} & ab \\ \end{matrix}\, \right|=\] [RPET 1990, 99]

\[\left| \,\begin{matrix} 1/a & {{a}^{2}} & bc \\ 1/b & {{

1.	\[\left\| \,\begin{matrix} 1/a & {{a}^{2}} & bc \\ 1/b & {{b}^{2}} & ca \\ 1/c & {{c}^{2}} & ab \\ \end{matrix}\, \right\|=\] [RPET 1990, 99]
A.	\[abc\]
B.	\[1/abc\]
C.	\[ab+bc+ca\]
D.	0
Answer» E.

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\[\left| \,\begin{matrix} 1/a & {{a}^{2}} & bc \\ 1/b & {{b}^{2}} & ca \\ 1/c & {{c}^{2}} & ab \\ \end{matrix}\, \right|=\] [RPET 1990, 99]

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