If \[a\ne p,\] \[b\ne q,\] \[c\ne r\]and \[\left| \begin{matrix} p & b & c \\ a & q & c \\ a & b & r \\ \end{matrix} \right|=0\] then the value of \[\frac{p}{p-a}+\frac{q}{q-b}+\frac{r}{r-c}\] is equal to

If \[a\ne p,\] \[b\ne q,\] \[c\ne r\]and \[\left| \begin{matrix}

1.	If \[a\ne p,\] \[b\ne q,\] \[c\ne r\]and \[\left\| \begin{matrix} p & b & c \\ a & q & c \\ a & b & r \\ \end{matrix} \right\|=0\] then the value of \[\frac{p}{p-a}+\frac{q}{q-b}+\frac{r}{r-c}\] is equal to
A.	\[-1\]
B.	\[1\]
C.	\[-2\]
D.	\[2\]
Answer» E.

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If \[a\ne p,\] \[b\ne q,\] \[c\ne r\]and \[\left| \begin{matrix} p & b & c \\ a & q & c \\ a & b & r \\ \end{matrix} \right|=0\] then the value of \[\frac{p}{p-a}+\frac{q}{q-b}+\frac{r}{r-c}\] is equal to

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