x^-9/x^-7

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Solution for x^-9/x^-7 equation: 


D( x )

x = 0

x^-7 = 0

x = 0

x = 0

x^-7 = 0

x^-7 = 0

1*x^-7 = 0 // : 1

x^-7 = 0

x należy do O

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

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

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

x^-2 = 0

x należy do O

x belongs to the empty set

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