27/81=3/p

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Solution for 27/81=3/p equation: 


D( p )

p = 0

p = 0

p = 0

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

27/81 = 3/p // - 3/p

27/81-(3/p) = 0

27/81-3*p^-1 = 0

-3*p^-1 = -1/3 // : -3

p^-1 = 1/9

-1 < 0

1/(p^1) = 1/9 // * p^1

1 = 1/9*p^1 // : 1/9

9 = p^1

p = 9

p = 9

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