4/3a-1/9a^2

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Solution for 4/3a-1/9a^2 equation: 


a in (-oo:+oo)

(4/3)*a-((1/9)*a^2) = 0

(-1/9)*a^2+(4/3)*a = 0

4/3*a-1/9*a^2 = 0

DELTA = (4/3)^2-(-1/9*0*4)

DELTA = 16/9

DELTA > 0

a = ((16/9)^(1/2)-4/3)/(-1/9*2) or a = (-(16/9)^(1/2)-4/3)/(-1/9*2)

a = 0 or a = 12

a in { 0, 12 }

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