If a, b and c are non zero numbers, then \[\Delta =\left| \,\begin{matrix} {{b}^{2}}{{c}^{2}} & bc & b+c \\ {{c}^{2}}{{a}^{2}} & ca & c+a \\ {{a}^{2}}{{b}^{2}} & ab & a+b \\ \end{matrix}\, \right|\] is equal to [AMU 1992; Karnataka CET 2000; 03]

\[{{a}^{2}}{{b}^{2}}{{c}^{2}}\]

If a, b and c are non zero numbers, then \[\Delta =\left| \,\begin{mat

1.	If a, b and c are non zero numbers, then \[\Delta =\left\| \,\begin{matrix} {{b}^{2}}{{c}^{2}} & bc & b+c \\ {{c}^{2}}{{a}^{2}} & ca & c+a \\ {{a}^{2}}{{b}^{2}} & ab & a+b \\ \end{matrix}\, \right\|\] is equal to [AMU 1992; Karnataka CET 2000; 03]
A.	\[abc\]
B.	\[{{a}^{2}}{{b}^{2}}{{c}^{2}}\]
C.	\[ab+bc+ca\]
D.	None of these
Answer» E.

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If a, b and c are non zero numbers, then \[\Delta =\left| \,\begin{matrix} {{b}^{2}}{{c}^{2}} & bc & b+c \\ {{c}^{2}}{{a}^{2}} & ca & c+a \\ {{a}^{2}}{{b}^{2}} & ab & a+b \\ \end{matrix}\, \right|\] is equal to [AMU 1992; Karnataka CET 2000; 03]

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