\( \left|\begin{array}{ccc}0 & p-q & p-r \\ q-p & 0 & q-r \\ r-p & r-q & 0\end{array}\right| \) ...

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PW Solutions
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Published on ● Video Link: https://www.youtube.com/watch?v=Q6U_WRWaRHk


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\( \left|\begin{array}{ccc}0 & p-q & p-r \\ q-p & 0 & q-r \\ r-p & r-q & 0\end{array}\right| \) is equal to
(a) \( p+q+r \)
(b) 0
(c) \( p-q-r \)
(d) \( -p+q+r \)
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