P2/5=4

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Solution for P2/5=4 equation: 


P in (-oo:+oo)

(P^2)/5 = 4 // - 4

(P^2)/5-4 = 0

1/5*P^2 = 4 // : 1/5

P^2 = 20

P^2 = 20 // ^ 1/2

abs(P) = 2*5^(1/2)

P = 2*5^(1/2) or P = -(2*5^(1/2))

P in { 2*5^(1/2), -(2*5^(1/2)) }

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