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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 determnalnt `|p a q b r c q c r a p b r b p c q a|i s` `0` b. `p a+q b+r c` c. `1` d. none of these

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