12/n^2-16

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Solution for 12/n^2-16 equation: 


D( n )

n^2 = 0

n^2 = 0

n^2 = 0

1*n^2 = 0 // : 1

n^2 = 0

n = 0

n in (-oo:0) U (0:+oo)

12/(n^2)-16 = 0

12*n^-2 = 16 // : 12

n^-2 = 4/3

-2 < 0

1/(n^2) = 4/3 // * n^2

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

3/4 = n^2

n^2 = 3/4 // ^ 1/2

abs(n) = (3/4)^(1/2)

n = (3/4)^(1/2) or n = -(3/4)^(1/2)

n in { (3/4)^(1/2), -(3/4)^(1/2) }

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