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If p+q+r=0=a+b+c , then the value of the...

If `p+q+r=0=a+b+c ,` then the value of the determinant `|[p a, q b, r c],[ q c ,r a, p b],[ r b, p c, q a]|i s` (a)`0` (b) `p a+q b+r c` (c) `1` (d) none of these

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