9y^5+8y^3/-y^2

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Solution for 9y^5+8y^3/-y^2 equation: 


D( y )

(-y)^2 = 0

(-y)^2 = 0

(-y)^2 = 0

1*y^2 = 0 // : 1

y^2 = 0

y = 0

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

9*y^5+(8*y^3)/((-y)^2) = 0

9*y^5+8*y = 0

y*(9*y^4+8) = 0

9*y^4 = -8 // : 9

y^4 = -8/9

y = 0

y = 0

y in { 0} 

y belongs to the empty set

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