8=4/k

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Solution for 8=4/k equation: 


D( k )

k = 0

k = 0

k = 0

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

8 = 4/k // - 4/k

8-(4/k) = 0

8-4*k^-1 = 0

-4*k^-1 = -8 // : -4

k^-1 = 2

-1 < 0

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

1 = 2*k^1 // : 2

1/2 = k^1

k = 1/2

k = 1/2

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