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det(pbcaqcabr)=0\large \det\begin{pmatrix} p & b & c\\ a & q & c\\ a & b & r\\ \end{pmatrix}=0det⎝⎜⎛paabqbccr⎠⎟⎞=0
In the determinant above a≠p,b≠q,c≠ra\neq p , b\neq q , c\neq ra=p,b=q,c=r, find the value of pp−a+qq−b+rr−c\dfrac{p}{p-a}+\dfrac{q}{q-b}+\dfrac{r}{r-c}p−ap+q−bq+r−cr.
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