(2a/a^2)^-3

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Solution for (2a/a^2)^-3 equation: 


D( a )

a^2 = 0

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

a^2 = 0

a^2 = 0

1*a^2 = 0 // : 1

a^2 = 0

a = 0

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

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

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

a^-1 = 0

a naleu017Cy do O

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

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

1/8*a^3 = 0 // : 1/8

a^3 = 0

a = 0

a in { 0} 

a belongs to the empty set

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