a^2-a/a-1

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


D( a )

a = 0

a = 0

a = 0

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

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

a^2-1-1 = 0

1*a^2 = 2 // : 1

a^2 = 2

a^2 = 2 // ^ 1/2

abs(a) = 2^(1/2)

a = 2^(1/2) or a = -2^(1/2)

a in { 2^(1/2), -2^(1/2) }

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