y2-1/2y+2

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Solution for y2-1/2y+2 equation: 


y in (-oo:+oo)

y^2-((1/2)*y)+2 = 0

y^2+(-1/2)*y+2 = 0

y^2-1/2*y+2 = 0

DELTA = (-1/2)^2-(1*2*4)

DELTA = -31/4

DELTA < 0

y belongs to the empty set

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