3x^(3/2)=81

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Solution for 3x^(3/2)=81 equation: 


D( x )

x < 0

x < 0

x in <0:+oo)

3*x^(3/2) = 81 // - 81

3*x^(3/2)-81 = 0

3*x^(3/2) = 81 // : 3

x^(3/2) = 27

x^(3/2) = 27 // ^ 2

x^3 = 729 // ^ 1/3

x = 9

x = 9

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