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

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


D( a )

a = 0

a = 0

a = 0

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

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

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

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

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

a^-1 = 1

-1 < 0

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

1 = 1*a^1 // : 1

1 = a^1

a = 1

a = 1

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