2/v=0.4/0.7

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Solution for 2/v=0.4/0.7 equation: 


D( v )

v = 0

v = 0

v = 0

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

2/v = 0.4/0.7 // - 0.4/0.7

2/v-(0.4/0.7) = 0

2/v-0.57142857 = 0

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

v^-1 = 0.28571429

-1 < 0

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

1 = 0.28571429*v^1 // : 0.28571429

3.49999995 = v^1

v = 3.49999995

v = 3.49999995

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