-8=4/w

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Solution for -8=4/w equation: 


D( w )

w = 0

w = 0

w = 0

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

-8 = 4/w // - 4/w

-(4/w)-8 = 0

-4*w^-1-8 = 0

-4*w^-1 = 8 // : -4

w^-1 = -2

-1 < 0

1/(w^1) = -2 // * w^1

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

-1/2 = w^1

w = -1/2

w = -1/2

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