y^-7/y^-4

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Solution for y^-7/y^-4 equation: 


D( y )

y = 0

y^-4 = 0

y = 0

y = 0

y^-4 = 0

y^-4 = 0

1*y^-4 = 0 // : 1

y^-4 = 0

y należy do O

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

(y^-7)/(y^-4) = 0

1*y^-3 = 0 // : 1

y^-3 = 0

y należy do O

y belongs to the empty set

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