(w+1)/(w^2-4)

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Solution for (w+1)/(w^2-4) equation: 


D( w )

w^2-4 = 0

w^2-4 = 0

w^2-4 = 0

1*w^2 = 4 // : 1

w^2 = 4

w^2 = 4 // ^ 1/2

abs(w) = 2

w = 2 or w = -2

w in (-oo:-2) U (-2:2) U (2:+oo)

(w+1)/(w^2-4) = 0

w+1 = 0 // - 1

w = -1

w = -1

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