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m in (-oo:+oo)
((2*m-9)^1)/2 = m // - m
((2*m-9)^1)/2-m = 0
(2*m-9)/2-m = 0
(2*m-9)/2+(2*(-m))/2 = 0
2*m+2*(-m)-9 = 0
-9 = 0
-9/2 = 0
-9/2 = 0 // * 2
-9 = 0
-9 = 0
m belongs to the empty set
m belongs to the empty set
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