9-12/w=-3

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Solution for 9-12/w=-3 equation: 


D( w )

w = 0

w = 0

w = 0

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

9-(12/w) = -3 // + 3

3-(12/w)+9 = 0

3-12*w^-1+9 = 0

-12*w^-1 = -12 // : -12

w^-1 = 1

-1 < 0

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

1 = 1*w^1 // : 1

1 = w^1

w = 1

w = 1

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