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If `alpha,beta,gamma` are the roots of `p x^2+q x^2+r=0,` then the value of the determinant `|alphabetabetagammagammaalphabetagammagammaalphaalphabetagammaalphaalphabetabetagamma|` is `p` b. `q` c. `0` d. `r`

A

pq

B

qr

C

0

D

pr

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The correct Answer is:
C
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