10=2/P^2

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Solution for 10=2/P^2 equation: 


D( P )

P^2 = 0

P^2 = 0

P^2 = 0

1*P^2 = 0 // : 1

P^2 = 0

P = 0

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

10 = 2/(P^2) // - 2/(P^2)

10-(2/(P^2)) = 0

10-2*P^-2 = 0

-2*P^-2 = -10 // : -2

P^-2 = 5

-2 < 0

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

1 = 5*P^2 // : 5

1/5 = P^2

P^2 = 1/5 // ^ 1/2

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

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

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

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