1.

\[\left| \,\begin{matrix}    b+c & a & a  \\    b & c+a & b  \\    c & c & a+b  \\ \end{matrix}\, \right|=\]        [Roorkee 1980; RPET 1997, 99; KCET 1999; MP PET 2001]

A. \[abc\]
B. \[2abc\]
C. \[3abc\]
D. \[4abc\]
Answer» E.


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