(w^2-w-2)/(6w^2-6)

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Solution for (w^2-w-2)/(6w^2-6) equation: 


D( w )

6*w^2-6 = 0

6*w^2-6 = 0

6*w^2-6 = 0

6*w^2 = 6 // : 6

w^2 = 1

w^2 = 1 // ^ 1/2

abs(w) = 1

w = 1 or w = -1

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

(w^2-w-2)/(6*w^2-6) = 0

w^2-w-2 = 0

w^2-w-2 = 0

DELTA = (-1)^2-(-2*1*4)

DELTA = 9

DELTA > 0

w = (9^(1/2)+1)/(1*2) or w = (1-9^(1/2))/(1*2)

w = 2 or w = -1

(w+1)*(w-2) = 0

((w+1)*(w-2))/(6*w^2-6) = 0

( w+1 )

w+1 = 0 // - 1

w = -1

( w-2 )

w-2 = 0 // + 2

w = 2

w in { -1} 

w = 2

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