2n^2-4=1/2

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Solution for 2n^2-4=1/2 equation: 


n in (-oo:+oo)

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

2*n^2-(1/2)-4 = 0

2*n^2-1/2-4 = 0

2*n^2 = 9/2 // : 2

n^2 = 9/4

n^2 = 9/4 // ^ 1/2

abs(n) = 3/2

n = 3/2 or n = -3/2

n in { 3/2, -3/2 }

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