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If g(x)=x^(3)+px^(2)+qx+r where p,q,r a...

If `g(x)=x^(3)+px^(2)+qx+r` where p,q,r are integers. If `g(0)` and `g(-1)` are both odd, then prove that the equation `g(x)=0`, cannot have three integral roots.

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