a2+1/12a-1/2=0

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Solution for a2+1/12a-1/2=0 equation: 


a in (-oo:+oo)

a^2+(1/12)*a-(1/2) = 0

a^2+(1/12)*a-1/2 = 0

a^2+1/12*a-1/2 = 0

DELTA = (1/12)^2-(-1/2*1*4)

DELTA = 289/144

DELTA > 0

a = ((289/144)^(1/2)-1/12)/(1*2) or a = (-(289/144)^(1/2)-1/12)/(1*2)

a = 2/3 or a = -3/4

a in { -3/4, 2/3 }

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