K^2=16/25

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Solution for K^2=16/25 equation: 


K in (-oo:+oo)

K^2 = 16/25 // - 16/25

K^2-(16/25) = 0

K^2-16/25 = 0

1*K^2 = 16/25 // : 1

K^2 = 16/25

K^2 = 16/25 // ^ 1/2

abs(K) = 4/5

K = 4/5 or K = -4/5

K in { 4/5, -4/5 }

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