42/56=3/v

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Solution for 42/56=3/v equation: 


D( v )

v = 0

v = 0

v = 0

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

42/56 = 3/v // - 3/v

42/56-(3/v) = 0

42/56-3*v^-1 = 0

-3*v^-1 = -3/4 // : -3

v^-1 = 1/4

-1 < 0

1/(v^1) = 1/4 // * v^1

1 = 1/4*v^1 // : 1/4

4 = v^1

v = 4

v = 4

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