(x^-2y^-5)/(x^7y^-4)

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Solution for (x^-2y^-5)/(x^7y^-4) equation: 


D( x )

x = 0

x^7*y^-4 = 0

x = 0

x = 0

x^7*y^-4 = 0

x^7*y^-4 = 0

x^7*y^-4 = 0 // : y^-4

x^7 = 0

x = 0

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

(x^-2*y^-5)/(x^7*y^-4) = 0

x^-9*y^-1 = 0 // : y^-1

x^-9 = 0

x naleu017Cy do O

x belongs to the empty set

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