45/39=75/p

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Solution for 45/39=75/p equation: 


D( p )

p = 0

p = 0

p = 0

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

45/39 = 75/p // - 75/p

45/39-(75/p) = 0

45/39-75*p^-1 = 0

-75*p^-1 = -15/13 // : -75

p^-1 = 1/65

-1 < 0

1/(p^1) = 1/65 // * p^1

1 = 1/65*p^1 // : 1/65

65 = p^1

p = 65

p = 65

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