2/w=0.4/0.7

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Solution for 2/w=0.4/0.7 equation: 


D( w )

w = 0

w = 0

w = 0

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

2/w = 0.4/0.7 // - 0.4/0.7

2/w-(0.4/0.7) = 0

2/w-0.57142857 = 0

2*w^-1 = 0.57142857 // : 2

w^-1 = 0.28571429

-1 < 0

1/(w^1) = 0.28571429 // * w^1

1 = 0.28571429*w^1 // : 0.28571429

3.49999995 = w^1

w = 3.49999995

w = 3.49999995

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