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If alpha,beta,gamma are the roots of p x...

If `alpha,beta,gamma` are the roots of `p x^3+q x^2+r=0,` then the value of the determinant `|(alphabeta,betagamma,gammaalpha),(betagamma,gammaalpha,alphabeta),(gammaalpha,alphabeta,betagamma)|` is a. `p` b. `q` c. `0` d. `r`

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