17.755=(15*58)/n^2

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Solution for 17.755=(15*58)/n^2 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)

17.755 = (15*58)/(n^2) // - (15*58)/(n^2)

17.755-((15*58)/(n^2)) = 0

17.755-870*n^-2 = 0

-870*n^-2 = -17.755 // : -870

n^-2 = 0.02040805

-2 < 0

1/(n^2) = 0.02040805 // * n^2

1 = 0.02040805*n^2 // : 0.02040805

49.00027195 = n^2

n^2 = 49.00027195 // ^ 1/2

abs(n) = 49.00027195^(1/2)

n = 49.00027195^(1/2) or n = -49.00027195^(1/2)

n in { 49.00027195^(1/2), -49.00027195^(1/2) }

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