(4/p)+(5/2)=7/p

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Solution for (4/p)+(5/2)=7/p equation: 


D( p )

p = 0

p = 0

p = 0

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

4/p+5/2 = 7/p // - 7/p

4/p-(7/p)+5/2 = 0

4/p-7*p^-1+5/2 = 0

-3*p^-1 = -5/2 // : -3

p^-1 = 5/6

-1 < 0

1/(p^1) = 5/6 // * p^1

1 = 5/6*p^1 // : 5/6

6/5 = p^1

p = 6/5

p = 6/5

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