((1-a^2)^2-(1+a^2)^2)/a^-2

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Solution for ((1-a^2)^2-(1+a^2)^2)/a^-2 equation: 


D( a )

a^-2 = 0

a = 0

a^-2 = 0

a^-2 = 0

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

a^-2 = 0

a naleu017Cy do O

a = 0

a = 0

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

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

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

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

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

-4*a^2 = 0

-4*a^2 = 0

(-4*a^2)/(a^-2) = 0

-4*a^2 = 0 // : -4

a^2 = 0

a = 0

a in { 0} 

a belongs to the empty set

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