5/a^2-1/2a

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Solution for 5/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)

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

(-1/2)*a+5/(a^2) = 0

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

a*(5*a^-3-1/2) = 0

5*a^-3 = 1/2 // : 5

a^-3 = 1/10

-3 < 0

1/(a^3) = 1/10 // * a^3

1 = 1/10*a^3 // : 1/10

10 = a^3

a^3 = 10 // ^ 1/3

a = 10^(1/3)

a = 0

a = 0

a in { 0} 

a = 10^(1/3)

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