(y^-2)/(y^-9)

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Solution for (y^-2)/(y^-9) equation: 


D( y )

y = 0

y^-9 = 0

y = 0

y = 0

y^-9 = 0

y^-9 = 0

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

y^-9 = 0

y należy do O

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

(y^-2)/(y^-9) = 0

1*y^7 = 0 // : 1

y^7 = 0

y = 0

y in { 0} 

y belongs to the empty set

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