(27)/(x)=x^2

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Solution for (27)/(x)=x^2 equation: 


D( x )

x = 0

x = 0

x = 0

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

27/x <= x^2 // - x^2

27/x-x^2 <= 0

27*x^-1-x^2 = 0

x^-1*(27-x^3) = 0

-1*x^3 = -27 // : -1

x^3 = 27

x^3 = 27 // ^ 1/3

x = 3

1/x = 0

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

x^-1 = 0

x należy do O

x-3 <= 0

	(-oo:3)	(3:+oo)
x-3	-	+


x in (-oo:0) U (0:3>

(-oo:0) U (0:3>

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