15/x^2e=3

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Solution for 15/x^2e=3 equation: 


D( x )

x^2 = 0

x^2 = 0

x^2 = 0

1*x^2 = 0 // : 1

x^2 = 0

x = 0

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

e*(15/(x^2)) = 3 // - 3

e*(15/(x^2))-3 = 0

15*e*x^-2 = 3 // : 15*e

x^-2 = (e^-1)/5

-2 < 0

1/(x^2) = (e^-1)/5 // * x^2

1 = ((e^-1)/5)*x^2 // : (e^-1)/5

5*e = x^2

x^2 = 5*e // ^ 1/2

abs(x) = 5^(1/2)*e^(1/2)

x = 5^(1/2)*e^(1/2) or x = -(5^(1/2)*e^(1/2))

x in { 5^(1/2)*e^(1/2), -(5^(1/2)*e^(1/2)) }

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