x^3-(4/x)=0

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Solution for x^3-(4/x)=0 equation: 


D( x )

x = 0

x = 0

x = 0

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

x^3-(4/x) = 0

x^3-4*x^-1 = 0

x^3-4*x^-1 = 0

x^-1*(x^4-4) = 0

1*x^4 = 4 // : 1

x^4 = 4

x^4 = 4 // ^ 1/4

abs(x) = 4^(1/4)

x = 4^(1/4) or x = -4^(1/4)

1/x = 0

1*x^-1 = 0 // : 1

x^-1 = 0

x należy do O

x in { 4^(1/4), -4^(1/4) }

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