18/w=42

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Solution for 18/w=42 equation: 


D( w )

w = 0

w = 0

w = 0

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

18/w = 42 // - 42

18/w-42 = 0

18*w^-1 = 42 // : 18

w^-1 = 7/3

-1 < 0

1/(w^1) = 7/3 // * w^1

1 = 7/3*w^1 // : 7/3

3/7 = w^1

w = 3/7

w = 3/7

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