y-6/y^2-y-30

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Solution for y-6/y^2-y-30 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)

y-y-(6/(y^2))-30 = 0

y-y-6*y^-2-30 = 0

-6*y^-2 = 30 // : -6

y^-2 = -5

-2 < 0

1/(y^2) = -5 // * y^2

1 = -5*y^2 // : -5

-1/5 = y^2

y belongs to the empty set

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