(3/y^2)-(3/3y)

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Solution for (3/y^2)-(3/3y) 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)

3/(y^2)-((3/3)*y) = 0

3/(y^2)-y = 0

3*y^-2-y = 0

y*(3*y^-3-1) = 0

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

y^-3 = 1/3

-3 < 0

1/(y^3) = 1/3 // * y^3

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

3 = y^3

y^3 = 3 // ^ 1/3

y = 3^(1/3)

y = 0

y = 0

y in { 0} 

y = 3^(1/3)

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