(4x^2-4)/(8x^2-8)

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Solution for (4x^2-4)/(8x^2-8) equation: 


D( x )

8*x^2-8 = 0

8*x^2-8 = 0

8*x^2-8 = 0

8*x^2 = 8 // : 8

x^2 = 1

x^2 = 1 // ^ 1/2

abs(x) = 1

x = 1 or x = -1

x in (-oo:-1) U (-1:1) U (1:+oo)

(4*x^2-4)/(8*x^2-8) = 0

4*x^2 = 4 // : 4

x^2 = 1

x^2 = 1 // ^ 1/2

abs(x) = 1

x = 1 or x = -1

x in { 1} 

x in { -1} 

x belongs to the empty set

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