If a, b, and c are nonzero real number 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

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

If a, b, and c are nonzero real number then \[\Delta =\left| \begin{ma

1.	If a, b, and c are nonzero real number 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
A.	abc
B.	\[{{a}^{2}}{{b}^{2}}{{c}^{2}}\]
C.	bc+ca+ab
D.	none of these
Answer» E.

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If a, b, and c are nonzero real number 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

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