2/a^2-1/2a

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Solution for 2/a^2-1/2a equation: 


D( a )

a^2 = 0

a^2 = 0

a^2 = 0

1*a^2 = 0 // : 1

a^2 = 0

a = 0

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

2/(a^2)-((1/2)*a) = 0

(-1/2)*a+2/(a^2) = 0

2*a^-2-1/2*a = 0

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

2*a^-3 = 1/2 // : 2

a^-3 = 1/4

-3 < 0

1/(a^3) = 1/4 // * a^3

1 = 1/4*a^3 // : 1/4

4 = a^3

a^3 = 4 // ^ 1/3

a = 4^(1/3)

a = 0

a = 0

a in { 0} 

a = 4^(1/3)

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