(81x^8/9x^5)/(9x^6/5x^3)

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Solution for (81x^8/9x^5)/(9x^6/5x^3) equation: 


D( x )

x^3*((9*x^6)/5) = 0

x^3*((9*x^6)/5) = 0

x^3*((9*x^6)/5) = 0

9/5*x^9 = 0 // : 9/5

x^9 = 0

x = 0

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

(x^5*((81*x^8)/9))/(x^3*((9*x^6)/5)) = 0

5*x^4 = 0 // : 5

x^4 = 0

x = 0

x in { 0} 

x belongs to the empty set

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