42/28=81/g

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Solution for 42/28=81/g equation: 


D( g )

g = 0

g = 0

g = 0

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

42/28 = 81/g // - 81/g

42/28-(81/g) = 0

42/28-81*g^-1 = 0

-81*g^-1 = -3/2 // : -81

g^-1 = 1/54

-1 < 0

1/(g^1) = 1/54 // * g^1

1 = 1/54*g^1 // : 1/54

54 = g^1

g = 54

g = 54

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