y^3/2(y^2-1)

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Solution for y^3/2(y^2-1) equation: 


y in (-oo:+oo)

((y^3)/2)*(y^2-1) = 0

1/2*y^3*(y^2-1) = 0

( 1/2*y^3 )

1/2*y^3 = 0 // : 1/2

y^3 = 0

y = 0

( y^2-1 )

1*y^2 = 1 // : 1

y^2 = 1

y^2 = 1 // ^ 1/2

abs(y) = 1

y = 1 or y = -1

y in { 0, 1, -1 }

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