8/12=28/h

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Solution for 8/12=28/h equation: 


D( h )

h = 0

h = 0

h = 0

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

8/12 = 28/h // - 28/h

8/12-(28/h) = 0

8/12-28*h^-1 = 0

-28*h^-1 = -2/3 // : -28

h^-1 = 1/42

-1 < 0

1/(h^1) = 1/42 // * h^1

1 = 1/42*h^1 // : 1/42

42 = h^1

h = 42

h = 42

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