2/5=14/n30

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Solution for 2/5=14/n30 equation: 


D( n )

n^30 = 0

n^30 = 0

n^30 = 0

1*n^30 = 0 // : 1

n^30 = 0

n = 0

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

2/5 = 14/(n^30) // - 14/(n^30)

2/5-(14/(n^30)) = 0

2/5-14*n^-30 = 0

-14*n^-30 = -2/5 // : -14

n^-30 = 1/35

-30 < 0

1/(n^30) = 1/35 // * n^30

1 = 1/35*n^30 // : 1/35

35 = n^30

n^30 = 35 // ^ 1/30

abs(n) = 35^(1/30)

n = 35^(1/30) or n = -35^(1/30)

n in { 35^(1/30), -35^(1/30) }

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