Consider the statement : x (alpha - x) < y (alpha - y) for all x,y with 0<x<y<1 . The statement is true ..
(a) if and only if alpha is greater than equal to 2
(b) if and only if alpha is greater than 2
(c) if and only if alpha is less than -1

xα-x<yα-yαx-x2<-y2αx-x2-+y2<0αx-y-x2-y2<0αx-y-x-yx+y<0x-yα-x+y<0x-y<0  Since y>xFor x-yα-x+y<0α-x+y>0α>x+yα2    since x+y<2Correct answer is a if and only if is α greater than equal to 2.

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