1/2r^2-1/6r+2/3=0

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Solution for 1/2r^2-1/6r+2/3=0 equation: 


r in (-oo:+oo)

(1/2)*r^2-((1/6)*r)+2/3 = 0

(1/2)*r^2+(-1/6)*r+2/3 = 0

1/2*r^2-1/6*r+2/3 = 0

DELTA = (-1/6)^2-(1/2*2/3*4)

DELTA = -47/36

DELTA < 0

r belongs to the empty set

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