If a,b,c are in A.P and ax^(2)+bx+c=0 ha...

If `a,b,c` are in A.P and `ax^(2)+bx+c=0` has integral roots `alpha,beta`, then `alpha+beta+alpha beta` can be equal to
(A) -1 (B) 0 (C) 7 (D) -7

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