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

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Solution for 2y^2-y-1/2=0 equation: 


y in (-oo:+oo)

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

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

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

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

DELTA = 5

DELTA > 0

y = (5^(1/2)+1)/(2*2) or y = (1-5^(1/2))/(2*2)

y = (5^(1/2)+1)/4 or y = (1-5^(1/2))/4

y in { (1-5^(1/2))/4, (5^(1/2)+1)/4 }

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