r^2/3=4

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Solution for r^2/3=4 equation: 


r in (-oo:+oo)

(r^2)/3 = 4 // - 4

(r^2)/3-4 = 0

1/3*r^2 = 4 // : 1/3

r^2 = 12

r^2 = 12 // ^ 1/2

abs(r) = 2*3^(1/2)

r = 2*3^(1/2) or r = -(2*3^(1/2))

r in { 2*3^(1/2), -(2*3^(1/2)) }

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