n2=18/72

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Solution for n2=18/72 equation: 


n in (-oo:+oo)

n^2 = 18/72 // - 18/72

n^2-(18/72) = 0

n^2-1/4 = 0

1*n^2 = 1/4 // : 1

n^2 = 1/4

n^2 = 1/4 // ^ 1/2

abs(n) = 1/2

n = 1/2 or n = -1/2

n in { 1/2, -1/2 }

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