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Let f(x)=(x-1)^(m)(2-x)^(n),m,n in NNand...

Let `f(x)=(x-1)^(m)(2-x)^(n),m,n in NNandm,ngt2`

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A `to(p),(r)` , B `to(p),(s)` , C `to(q),(r)` , D `to(q),(s)`
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