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The roots of the equation (q-r)x^2+(r-p)...

The roots of the equation `(q-r)x^2+(r-p)x+p-q=0` are (A) `(r-p)/(q-r),1` (B) `(p-q)/(q-r),1` (C) `(q-r)/(p-q),1` (D) `(r-p)/(p-q),1`

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