x^7/x^9

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Solution for x^7/x^9 equation: 


D( x )

x^9 = 0

x^9 = 0

x^9 = 0

1*x^9 = 0 // : 1

x^9 = 0

x = 0

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

(x^7)/(x^9) = 0

1*x^-2 = 0 // : 1

x^-2 = 0

x należy do O

x belongs to the empty set

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