3-4/k^2=2

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Solution for 3-4/k^2=2 equation: 


D( k )

k^2 = 0

k^2 = 0

k^2 = 0

1*k^2 = 0 // : 1

k^2 = 0

k = 0

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

3-(4/(k^2)) = 2 // - 2

3-(4/(k^2))-2 = 0

3-4*k^-2-2 = 0

-4*k^-2 = -1 // : -4

k^-2 = 1/4

-2 < 0

1/(k^2) = 1/4 // * k^2

1 = 1/4*k^2 // : 1/4

4 = k^2

k^2 = 4 // ^ 1/2

abs(k) = 2

k = 2 or k = -2

k in { 2, -2 }

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