(81x^2/(9x^-6))^(1/2)

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Solution for (81x^2/(9x^-6))^(1/2) equation: 


D( x )

x = 0

9*x^-6 = 0

(81*x^2)/(9*x^-6) < 0

x = 0

x = 0

9*x^-6 = 0

9*x^-6 = 0

9*x^-6 = 0 // : 9

x^-6 = 0

x naleu017Cy do O

(81*x^2)/(9*x^-6) < 0

(81*x^2)/(9*x^-6) < 0

9*x^8 < 0

9*x^8 < 0 // : 9

x^8 < 0/9

x^8 < 0

x belongs to the empty set

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

((81*x^2)/(9*x^-6))^(1/2) = 0

3*x^4 = 0 // : 3

x^4 = 0

x = 0

x in { 0} 

x belongs to the empty set

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